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alsa-2024:6997
Vulnerability from osv_almalinux
Published
2024-09-24 00:00
Modified
2024-11-03 22:34
Summary
Important: kernel security update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: uio: Fix use-after-free in uio_open (CVE-2023-52439)
- kernel: net/sched: act_mirred: don't override retval if we already lost the skb (CVE-2024-26739)
- kernel: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses (CVE-2024-26947)
- kernel: scsi: qla2xxx: Fix command flush on cable pull (CVE-2024-26931)
- kernel: scsi: qla2xxx: Fix double free of the ha->vp_map pointer (CVE-2024-26930)
- kernel: scsi: qla2xxx: Fix double free of fcport (CVE-2024-26929)
- kernel: fork: defer linking file vma until vma is fully initialized (CVE-2024-27022)
- kernel: KVM: x86/mmu: x86: Don't overflow lpage_info when checking attributes (CVE-2024-26991)
- kernel: bpf, sockmap: Prevent lock inversion deadlock in map delete elem (CVE-2024-35895)
- kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)
- kernel: gpiolib: cdev: Fix use after free in lineinfo_changed_notify (CVE-2024-36899)
- kernel: cpufreq: exit() callback is optional (CVE-2024-38615)
- kernel: ring-buffer: Fix a race between readers and resize checks (CVE-2024-38601)
- kernel: cppc_cpufreq: Fix possible null pointer dereference (CVE-2024-38573)
- kernel: gfs2: Fix potential glock use-after-free on unmount (CVE-2024-38570)
- kernel: wifi: nl80211: Avoid address calculations via out of bounds array indexing (CVE-2024-38562)
- kernel: Input: cyapa - add missing input core locking to suspend/resume functions (CVE-2023-52884)
- kernel: ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine." (CVE-2024-40984)
- kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071)
- kernel: wifi: mt76: replace skb_put with skb_put_zero (CVE-2024-42225)
- kernel: net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket (CVE-2024-42246)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: uio: Fix use-after-free in uio_open (CVE-2023-52439)\n * kernel: net/sched: act_mirred: don\u0027t override retval if we already lost the skb (CVE-2024-26739)\n * kernel: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses (CVE-2024-26947)\n * kernel: scsi: qla2xxx: Fix command flush on cable pull (CVE-2024-26931)\n * kernel: scsi: qla2xxx: Fix double free of the ha-\u0026gt;vp_map pointer (CVE-2024-26930)\n * kernel: scsi: qla2xxx: Fix double free of fcport (CVE-2024-26929)\n * kernel: fork: defer linking file vma until vma is fully initialized (CVE-2024-27022)\n * kernel: KVM: x86/mmu: x86: Don\u0026#39;t overflow lpage_info when checking attributes (CVE-2024-26991)\n * kernel: bpf, sockmap: Prevent lock inversion deadlock in map delete elem (CVE-2024-35895)\n * kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)\n * kernel: gpiolib: cdev: Fix use after free in lineinfo_changed_notify (CVE-2024-36899)\n * kernel: cpufreq: exit() callback is optional (CVE-2024-38615)\n * kernel: ring-buffer: Fix a race between readers and resize checks (CVE-2024-38601)\n * kernel: cppc_cpufreq: Fix possible null pointer dereference (CVE-2024-38573)\n * kernel: gfs2: Fix potential glock use-after-free on unmount (CVE-2024-38570)\n * kernel: wifi: nl80211: Avoid address calculations via out of bounds array indexing (CVE-2024-38562)\n * kernel: Input: cyapa - add missing input core locking to suspend/resume functions (CVE-2023-52884)\n * kernel: ACPICA: Revert \u0026#34;ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine.\u0026#34; (CVE-2024-40984)\n * kernel: wifi: mac80211: Avoid address calculations via out of bounds array indexing (CVE-2024-41071)\n * kernel: wifi: mt76: replace skb_put with skb_put_zero (CVE-2024-42225)\n * kernel: net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket (CVE-2024-42246)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
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CVE-2024-26930 (GCVE-0-2024-26930)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:17 – Updated: 2026-01-05 10:35
VLAI?
EPSS
Title
scsi: qla2xxx: Fix double free of the ha->vp_map pointer
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Fix double free of the ha->vp_map pointer
Coverity scan reported potential risk of double free of the pointer
ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed
in function qla2x00_mem_free(ha).
Assign NULL to vp_map and kfree take care of NULL.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
430eef03a763e5e76a371ba6d02779ae4a64b6ea , < f14cee7a882cb79528f17a2335f53e9fd1848467
(git)
Affected: 430eef03a763e5e76a371ba6d02779ae4a64b6ea , < b7deb675d674f44e0ddbab87fee8f9f098925e73 (git) Affected: 430eef03a763e5e76a371ba6d02779ae4a64b6ea , < 825d63164a2e6bacb059a9afb5605425b485413f (git) Affected: 430eef03a763e5e76a371ba6d02779ae4a64b6ea , < e288285d47784fdcf7c81be56df7d65c6f10c58b (git) |
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CVE-2024-36899 (GCVE-0-2024-36899)
Vulnerability from cvelistv5 – Published: 2024-05-30 15:29 – Updated: 2025-11-03 20:37
VLAI?
EPSS
Title
gpiolib: cdev: Fix use after free in lineinfo_changed_notify
Summary
In the Linux kernel, the following vulnerability has been resolved:
gpiolib: cdev: Fix use after free in lineinfo_changed_notify
The use-after-free issue occurs as follows: when the GPIO chip device file
is being closed by invoking gpio_chrdev_release(), watched_lines is freed
by bitmap_free(), but the unregistration of lineinfo_changed_nb notifier
chain failed due to waiting write rwsem. Additionally, one of the GPIO
chip's lines is also in the release process and holds the notifier chain's
read rwsem. Consequently, a race condition leads to the use-after-free of
watched_lines.
Here is the typical stack when issue happened:
[free]
gpio_chrdev_release()
--> bitmap_free(cdev->watched_lines) <-- freed
--> blocking_notifier_chain_unregister()
--> down_write(&nh->rwsem) <-- waiting rwsem
--> __down_write_common()
--> rwsem_down_write_slowpath()
--> schedule_preempt_disabled()
--> schedule()
[use]
st54spi_gpio_dev_release()
--> gpio_free()
--> gpiod_free()
--> gpiod_free_commit()
--> gpiod_line_state_notify()
--> blocking_notifier_call_chain()
--> down_read(&nh->rwsem); <-- held rwsem
--> notifier_call_chain()
--> lineinfo_changed_notify()
--> test_bit(xxxx, cdev->watched_lines) <-- use after free
The side effect of the use-after-free issue is that a GPIO line event is
being generated for userspace where it shouldn't. However, since the chrdev
is being closed, userspace won't have the chance to read that event anyway.
To fix the issue, call the bitmap_free() function after the unregistration
of lineinfo_changed_nb notifier chain.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
51c1064e82e77b39a49889287ca50709303e2f26 , < 2dfbb920a89bdc58087672ad5325dc6c588b6860
(git)
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|||||||
|
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CVE-2024-38562 (GCVE-0-2024-38562)
Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2025-05-04 09:14
VLAI?
EPSS
Title
wifi: nl80211: Avoid address calculations via out of bounds array indexing
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: nl80211: Avoid address calculations via out of bounds array indexing
Before request->channels[] can be used, request->n_channels must be set.
Additionally, address calculations for memory after the "channels" array
need to be calculated from the allocation base ("request") rather than
via the first "out of bounds" index of "channels", otherwise run-time
bounds checking will throw a warning.
Severity ?
7.8 (High)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
e3eac9f32ec04112b39e01b574ac739382469bf9 , < ed74398642fcb19f6ff385c35a7d512c6663e17b
(git)
Affected: e3eac9f32ec04112b39e01b574ac739382469bf9 , < 4e2a5566462b53db7d4c4722da86eedf0b8f546c (git) Affected: e3eac9f32ec04112b39e01b574ac739382469bf9 , < 8fa4d56564ee7cc2ee348258d88efe191d70dd7f (git) Affected: e3eac9f32ec04112b39e01b574ac739382469bf9 , < 838c7b8f1f278404d9d684c34a8cb26dc41aaaa1 (git) |
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CVE-2024-42246 (GCVE-0-2024-42246)
Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2025-11-03 22:02
VLAI?
EPSS
Title
net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
Summary
In the Linux kernel, the following vulnerability has been resolved:
net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
When using a BPF program on kernel_connect(), the call can return -EPERM. This
causes xs_tcp_setup_socket() to loop forever, filling up the syslog and causing
the kernel to potentially freeze up.
Neil suggested:
This will propagate -EPERM up into other layers which might not be ready
to handle it. It might be safer to map EPERM to an error we would be more
likely to expect from the network system - such as ECONNREFUSED or ENETDOWN.
ECONNREFUSED as error seems reasonable. For programs setting a different error
can be out of reach (see handling in 4fbac77d2d09) in particular on kernels
which do not have f10d05966196 ("bpf: Make BPF_PROG_RUN_ARRAY return -err
instead of allow boolean"), thus given that it is better to simply remap for
consistent behavior. UDP does handle EPERM in xs_udp_send_request().
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
4fbac77d2d092b475dda9eea66da674369665427 , < bc790261218952635f846aaf90bcc0974f6f62c6
(git)
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CVE-2024-40984 (GCVE-0-2024-40984)
Vulnerability from cvelistv5 – Published: 2024-07-12 12:33 – Updated: 2025-11-03 21:58
VLAI?
EPSS
Title
ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."
Summary
In the Linux kernel, the following vulnerability has been resolved:
ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine."
Undo the modifications made in commit d410ee5109a1 ("ACPICA: avoid
"Info: mapping multiple BARs. Your kernel is fine.""). The initial
purpose of this commit was to stop memory mappings for operation
regions from overlapping page boundaries, as it can trigger warnings
if different page attributes are present.
However, it was found that when this situation arises, mapping
continues until the boundary's end, but there is still an attempt to
read/write the entire length of the map, leading to a NULL pointer
deference. For example, if a four-byte mapping request is made but
only one byte is mapped because it hits the current page boundary's
end, a four-byte read/write attempt is still made, resulting in a NULL
pointer deference.
Instead, map the entire length, as the ACPI specification does not
mandate that it must be within the same page boundary. It is
permissible for it to be mapped across different regions.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
d410ee5109a1633a686a5663c6743a92e1181f9b , < 435ecc978c3d5d0c4e172ec5b956dc1904061d98
(git)
Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < ae465109d82f4fb03c5adbe85f2d6a6a3d59124c (git) Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < 6eca23100e9030725f69c1babacd58803f29ec8d (git) Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < dc5017c57f5eee80020c73ff8b67ba7f9fd08b1f (git) Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < ddc1f5f124479360a1fd43f73be950781d172239 (git) Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < 434c6b924e1f4c219aab2d9e05fe79c5364e37d3 (git) Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < e21a4c9129c72fa54dd00f5ebf71219b41d43c04 (git) Affected: d410ee5109a1633a686a5663c6743a92e1181f9b , < a83e1385b780d41307433ddbc86e3c528db031f0 (git) |
|||||||
|
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CVE-2024-26991 (GCVE-0-2024-26991)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:27 – Updated: 2025-11-04 17:15
VLAI?
EPSS
Title
KVM: x86/mmu: x86: Don't overflow lpage_info when checking attributes
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86/mmu: x86: Don't overflow lpage_info when checking attributes
Fix KVM_SET_MEMORY_ATTRIBUTES to not overflow lpage_info array and trigger
KASAN splat, as seen in the private_mem_conversions_test selftest.
When memory attributes are set on a GFN range, that range will have
specific properties applied to the TDP. A huge page cannot be used when
the attributes are inconsistent, so they are disabled for those the
specific huge pages. For internal KVM reasons, huge pages are also not
allowed to span adjacent memslots regardless of whether the backing memory
could be mapped as huge.
What GFNs support which huge page sizes is tracked by an array of arrays
'lpage_info' on the memslot, of ‘kvm_lpage_info’ structs. Each index of
lpage_info contains a vmalloc allocated array of these for a specific
supported page size. The kvm_lpage_info denotes whether a specific huge
page (GFN and page size) on the memslot is supported. These arrays include
indices for unaligned head and tail huge pages.
Preventing huge pages from spanning adjacent memslot is covered by
incrementing the count in head and tail kvm_lpage_info when the memslot is
allocated, but disallowing huge pages for memory that has mixed attributes
has to be done in a more complicated way. During the
KVM_SET_MEMORY_ATTRIBUTES ioctl KVM updates lpage_info for each memslot in
the range that has mismatched attributes. KVM does this a memslot at a
time, and marks a special bit, KVM_LPAGE_MIXED_FLAG, in the kvm_lpage_info
for any huge page. This bit is essentially a permanently elevated count.
So huge pages will not be mapped for the GFN at that page size if the
count is elevated in either case: a huge head or tail page unaligned to
the memslot or if KVM_LPAGE_MIXED_FLAG is set because it has mixed
attributes.
To determine whether a huge page has consistent attributes, the
KVM_SET_MEMORY_ATTRIBUTES operation checks an xarray to make sure it
consistently has the incoming attribute. Since level - 1 huge pages are
aligned to level huge pages, it employs an optimization. As long as the
level - 1 huge pages are checked first, it can just check these and assume
that if each level - 1 huge page contained within the level sized huge
page is not mixed, then the level size huge page is not mixed. This
optimization happens in the helper hugepage_has_attrs().
Unfortunately, although the kvm_lpage_info array representing page size
'level' will contain an entry for an unaligned tail page of size level,
the array for level - 1 will not contain an entry for each GFN at page
size level. The level - 1 array will only contain an index for any
unaligned region covered by level - 1 huge page size, which can be a
smaller region. So this causes the optimization to overflow the level - 1
kvm_lpage_info and perform a vmalloc out of bounds read.
In some cases of head and tail pages where an overflow could happen,
callers skip the operation completely as KVM_LPAGE_MIXED_FLAG is not
required to prevent huge pages as discussed earlier. But for memslots that
are smaller than the 1GB page size, it does call hugepage_has_attrs(). In
this case the huge page is both the head and tail page. The issue can be
observed simply by compiling the kernel with CONFIG_KASAN_VMALLOC and
running the selftest “private_mem_conversions_test”, which produces the
output like the following:
BUG: KASAN: vmalloc-out-of-bounds in hugepage_has_attrs+0x7e/0x110
Read of size 4 at addr ffffc900000a3008 by task private_mem_con/169
Call Trace:
dump_stack_lvl
print_report
? __virt_addr_valid
? hugepage_has_attrs
? hugepage_has_attrs
kasan_report
? hugepage_has_attrs
hugepage_has_attrs
kvm_arch_post_set_memory_attributes
kvm_vm_ioctl
It is a little ambiguous whether the unaligned head page (in the bug case
also the tail page) should be expected to have KVM_LPAGE_MIXED_FLAG set.
It is not functionally required, as the unal
---truncated---
Severity ?
5.5 (Medium)
Assigner
References
Impacted products
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CVE-2024-41071 (GCVE-0-2024-41071)
Vulnerability from cvelistv5 – Published: 2024-07-29 14:57 – Updated: 2025-02-05 18:49
VLAI?
EPSS
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2024-26931 (GCVE-0-2024-26931)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:17 – Updated: 2026-01-05 10:35
VLAI?
EPSS
Title
scsi: qla2xxx: Fix command flush on cable pull
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Fix command flush on cable pull
System crash due to command failed to flush back to SCSI layer.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 0 P4D 0
Oops: 0000 [#1] SMP NOPTI
CPU: 27 PID: 793455 Comm: kworker/u130:6 Kdump: loaded Tainted: G OE --------- - - 4.18.0-372.9.1.el8.x86_64 #1
Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 09/03/2021
Workqueue: nvme-wq nvme_fc_connect_ctrl_work [nvme_fc]
RIP: 0010:__wake_up_common+0x4c/0x190
Code: 24 10 4d 85 c9 74 0a 41 f6 01 04 0f 85 9d 00 00 00 48 8b 43 08 48 83 c3 08 4c 8d 48 e8 49 8d 41 18 48 39 c3 0f 84 f0 00 00 00 <49> 8b 41 18 89 54 24 08 31 ed 4c 8d 70 e8 45 8b 29 41 f6 c5 04 75
RSP: 0018:ffff95f3e0cb7cd0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff8b08d3b26328 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff8b08d3b26320
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffe8
R10: 0000000000000000 R11: ffff95f3e0cb7a60 R12: ffff95f3e0cb7d20
R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8b2fdf6c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000002f1e410002 CR4: 00000000007706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
__wake_up_common_lock+0x7c/0xc0
qla_nvme_ls_req+0x355/0x4c0 [qla2xxx]
qla2xxx [0000:12:00.1]-f084:3: qlt_free_session_done: se_sess 0000000000000000 / sess ffff8ae1407ca000 from port 21:32:00:02:ac:07:ee:b8 loop_id 0x02 s_id 01:02:00 logout 1 keep 0 els_logo 0
? __nvme_fc_send_ls_req+0x260/0x380 [nvme_fc]
qla2xxx [0000:12:00.1]-207d:3: FCPort 21:32:00:02:ac:07:ee:b8 state transitioned from ONLINE to LOST - portid=010200.
? nvme_fc_send_ls_req.constprop.42+0x1a/0x45 [nvme_fc]
qla2xxx [0000:12:00.1]-2109:3: qla2x00_schedule_rport_del 21320002ac07eeb8. rport ffff8ae598122000 roles 1
? nvme_fc_connect_ctrl_work.cold.63+0x1e3/0xa7d [nvme_fc]
qla2xxx [0000:12:00.1]-f084:3: qlt_free_session_done: se_sess 0000000000000000 / sess ffff8ae14801e000 from port 21:32:01:02:ad:f7:ee:b8 loop_id 0x04 s_id 01:02:01 logout 1 keep 0 els_logo 0
? __switch_to+0x10c/0x450
? process_one_work+0x1a7/0x360
qla2xxx [0000:12:00.1]-207d:3: FCPort 21:32:01:02:ad:f7:ee:b8 state transitioned from ONLINE to LOST - portid=010201.
? worker_thread+0x1ce/0x390
? create_worker+0x1a0/0x1a0
qla2xxx [0000:12:00.1]-2109:3: qla2x00_schedule_rport_del 21320102adf7eeb8. rport ffff8ae3b2312800 roles 70
? kthread+0x10a/0x120
qla2xxx [0000:12:00.1]-2112:3: qla_nvme_unregister_remote_port: unregister remoteport on ffff8ae14801e000 21320102adf7eeb8
? set_kthread_struct+0x40/0x40
qla2xxx [0000:12:00.1]-2110:3: remoteport_delete of ffff8ae14801e000 21320102adf7eeb8 completed.
? ret_from_fork+0x1f/0x40
qla2xxx [0000:12:00.1]-f086:3: qlt_free_session_done: waiting for sess ffff8ae14801e000 logout
The system was under memory stress where driver was not able to allocate an
SRB to carry out error recovery of cable pull. The failure to flush causes
upper layer to start modifying scsi_cmnd. When the system frees up some
memory, the subsequent cable pull trigger another command flush. At this
point the driver access a null pointer when attempting to DMA unmap the
SGL.
Add a check to make sure commands are flush back on session tear down to
prevent the null pointer access.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
726b85487067d7f5b23495bc33c484b8517c4074 , < b73377124f56d2fec154737c2f8d2e839c237d5a
(git)
Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < d7a68eee87b05d4e29419e6f151aef99314970a9 (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < 67b2d35853c2da25a8ca1c4190a5e96d3083c2ac (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < a859f6a8f4234b8ef62862bf7a92f1af5f8cd47a (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < 09c0ac18cac206ed1218b1fe6c1a0918e5ea9211 (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < 8de1584ec4fe0ebea33c273036e7e0a05e65c81d (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < 8f0d32004e3a572bb77e6c11c2797c87f8c9703d (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < ec7587eef003cab15a13446d67c3adb88146a150 (git) Affected: 726b85487067d7f5b23495bc33c484b8517c4074 , < a27d4d0e7de305def8a5098a614053be208d1aa1 (git) |
|||||||
|
|||||||||
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CVE-2024-27022 (GCVE-0-2024-27022)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:35 – Updated: 2025-11-04 17:17
VLAI?
EPSS
Title
fork: defer linking file vma until vma is fully initialized
Summary
In the Linux kernel, the following vulnerability has been resolved:
fork: defer linking file vma until vma is fully initialized
Thorvald reported a WARNING [1]. And the root cause is below race:
CPU 1 CPU 2
fork hugetlbfs_fallocate
dup_mmap hugetlbfs_punch_hole
i_mmap_lock_write(mapping);
vma_interval_tree_insert_after -- Child vma is visible through i_mmap tree.
i_mmap_unlock_write(mapping);
hugetlb_dup_vma_private -- Clear vma_lock outside i_mmap_rwsem!
i_mmap_lock_write(mapping);
hugetlb_vmdelete_list
vma_interval_tree_foreach
hugetlb_vma_trylock_write -- Vma_lock is cleared.
tmp->vm_ops->open -- Alloc new vma_lock outside i_mmap_rwsem!
hugetlb_vma_unlock_write -- Vma_lock is assigned!!!
i_mmap_unlock_write(mapping);
hugetlb_dup_vma_private() and hugetlb_vm_op_open() are called outside
i_mmap_rwsem lock while vma lock can be used in the same time. Fix this
by deferring linking file vma until vma is fully initialized. Those vmas
should be initialized first before they can be used.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
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CVE-2024-38570 (GCVE-0-2024-38570)
Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2025-05-04 09:14
VLAI?
EPSS
Title
gfs2: Fix potential glock use-after-free on unmount
Summary
In the Linux kernel, the following vulnerability has been resolved:
gfs2: Fix potential glock use-after-free on unmount
When a DLM lockspace is released and there ares still locks in that
lockspace, DLM will unlock those locks automatically. Commit
fb6791d100d1b started exploiting this behavior to speed up filesystem
unmount: gfs2 would simply free glocks it didn't want to unlock and then
release the lockspace. This didn't take the bast callbacks for
asynchronous lock contention notifications into account, which remain
active until until a lock is unlocked or its lockspace is released.
To prevent those callbacks from accessing deallocated objects, put the
glocks that should not be unlocked on the sd_dead_glocks list, release
the lockspace, and only then free those glocks.
As an additional measure, ignore unexpected ast and bast callbacks if
the receiving glock is dead.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
fb6791d100d1bba20b5cdbc4912e1f7086ec60f8 , < 0636b34b44589b142700ac137b5f69802cfe2e37
(git)
Affected: fb6791d100d1bba20b5cdbc4912e1f7086ec60f8 , < e42e8a24d7f02d28763d16ca7ec5fc6d1f142af0 (git) Affected: fb6791d100d1bba20b5cdbc4912e1f7086ec60f8 , < 501cd8fabf621d10bd4893e37f6ce6c20523c8ca (git) Affected: fb6791d100d1bba20b5cdbc4912e1f7086ec60f8 , < d98779e687726d8f8860f1c54b5687eec5f63a73 (git) |
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CVE-2024-38573 (GCVE-0-2024-38573)
Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2025-05-04 09:14
VLAI?
EPSS
Title
cppc_cpufreq: Fix possible null pointer dereference
Summary
In the Linux kernel, the following vulnerability has been resolved:
cppc_cpufreq: Fix possible null pointer dereference
cppc_cpufreq_get_rate() and hisi_cppc_cpufreq_get_rate() can be called from
different places with various parameters. So cpufreq_cpu_get() can return
null as 'policy' in some circumstances.
Fix this bug by adding null return check.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Severity ?
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
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CVE-2024-38615 (GCVE-0-2024-38615)
Vulnerability from cvelistv5 – Published: 2024-06-19 13:56 – Updated: 2025-05-04 09:15
VLAI?
EPSS
Title
cpufreq: exit() callback is optional
Summary
In the Linux kernel, the following vulnerability has been resolved:
cpufreq: exit() callback is optional
The exit() callback is optional and shouldn't be called without checking
a valid pointer first.
Also, we must clear freq_table pointer even if the exit() callback isn't
present.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
91a12e91dc39137906d929a4ff6f9c32c59697fa , < 2d730b465e377396d2a09a53524b96b111f7ccb6
(git)
Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < dfc56ff5ec9904c008e9376d90a6d7e2d2bec4d3 (git) Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < 35db5e76d5e9f752476df5fa0b9018a2398b0378 (git) Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < 8bc9546805e572ad101681437a49939f28777273 (git) Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < 3e99f060cfd2e36504d62c9132b453ade5027e1c (git) Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < ae37ebca325097d773d7bb6ec069123b30772872 (git) Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < a8204d1b6ff762d2171d365c2c8560285d0a233d (git) Affected: 91a12e91dc39137906d929a4ff6f9c32c59697fa , < b8f85833c05730d631576008daaa34096bc7f3ce (git) |
|||||||
|
|||||||||
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CVE-2023-52884 (GCVE-0-2023-52884)
Vulnerability from cvelistv5 – Published: 2024-06-21 10:18 – Updated: 2025-05-04 07:45
VLAI?
EPSS
Title
Input: cyapa - add missing input core locking to suspend/resume functions
Summary
In the Linux kernel, the following vulnerability has been resolved:
Input: cyapa - add missing input core locking to suspend/resume functions
Grab input->mutex during suspend/resume functions like it is done in
other input drivers. This fixes the following warning during system
suspend/resume cycle on Samsung Exynos5250-based Snow Chromebook:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c
Modules linked in: ...
CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109
Hardware name: Samsung Exynos (Flattened Device Tree)
Workqueue: events_unbound async_run_entry_fn
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x58/0x70
dump_stack_lvl from __warn+0x1a8/0x1cc
__warn from warn_slowpath_fmt+0x18c/0x1b4
warn_slowpath_fmt from input_device_enabled+0x68/0x6c
input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc
cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c
cyapa_reinitialize from cyapa_resume+0x48/0x98
cyapa_resume from dpm_run_callback+0x90/0x298
dpm_run_callback from device_resume+0xb4/0x258
device_resume from async_resume+0x20/0x64
async_resume from async_run_entry_fn+0x40/0x15c
async_run_entry_fn from process_scheduled_works+0xbc/0x6a8
process_scheduled_works from worker_thread+0x188/0x454
worker_thread from kthread+0x108/0x140
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf1625fb0 to 0xf1625ff8)
...
---[ end trace 0000000000000000 ]---
...
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c
Modules linked in: ...
CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109
Hardware name: Samsung Exynos (Flattened Device Tree)
Workqueue: events_unbound async_run_entry_fn
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x58/0x70
dump_stack_lvl from __warn+0x1a8/0x1cc
__warn from warn_slowpath_fmt+0x18c/0x1b4
warn_slowpath_fmt from input_device_enabled+0x68/0x6c
input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc
cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c
cyapa_reinitialize from cyapa_resume+0x48/0x98
cyapa_resume from dpm_run_callback+0x90/0x298
dpm_run_callback from device_resume+0xb4/0x258
device_resume from async_resume+0x20/0x64
async_resume from async_run_entry_fn+0x40/0x15c
async_run_entry_fn from process_scheduled_works+0xbc/0x6a8
process_scheduled_works from worker_thread+0x188/0x454
worker_thread from kthread+0x108/0x140
kthread from ret_from_fork+0x14/0x28
Exception stack(0xf1625fb0 to 0xf1625ff8)
...
---[ end trace 0000000000000000 ]---
Severity ?
4.4 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 , < f99809fdeb50d65bcbc1661ef391af94eebb8a75
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Affected: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 , < 9400caf566f65c703e99d95f87b00c4b445627a7 (git) Affected: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 , < a4c638ab25786bd5aab5978fe51b2b9be16a4ebd (git) Affected: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 , < a5fc298fa8f67cf1f0e1fc126eab70578cd40adc (git) Affected: d69f0a43c677e8afc67a222e1e7b51b9acc69cd3 , < 7b4e0b39182cf5e677c1fc092a3ec40e621c25b6 (git) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: cyapa - add missing input core locking to suspend/resume functions\n\nGrab input-\u003emutex during suspend/resume functions like it is done in\nother input drivers. This fixes the following warning during system\nsuspend/resume cycle on Samsung Exynos5250-based Snow Chromebook:\n\n------------[ cut here ]------------\nWARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c\nModules linked in: ...\nCPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109\nHardware name: Samsung Exynos (Flattened Device Tree)\nWorkqueue: events_unbound async_run_entry_fn\n unwind_backtrace from show_stack+0x10/0x14\n show_stack from dump_stack_lvl+0x58/0x70\n dump_stack_lvl from __warn+0x1a8/0x1cc\n __warn from warn_slowpath_fmt+0x18c/0x1b4\n warn_slowpath_fmt from input_device_enabled+0x68/0x6c\n input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc\n cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c\n cyapa_reinitialize from cyapa_resume+0x48/0x98\n cyapa_resume from dpm_run_callback+0x90/0x298\n dpm_run_callback from device_resume+0xb4/0x258\n device_resume from async_resume+0x20/0x64\n async_resume from async_run_entry_fn+0x40/0x15c\n async_run_entry_fn from process_scheduled_works+0xbc/0x6a8\n process_scheduled_works from worker_thread+0x188/0x454\n worker_thread from kthread+0x108/0x140\n kthread from ret_from_fork+0x14/0x28\nException stack(0xf1625fb0 to 0xf1625ff8)\n...\n---[ end trace 0000000000000000 ]---\n...\n------------[ cut here ]------------\nWARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c\nModules linked in: ...\nCPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G W 6.6.0-rc5-next-20231009 #14109\nHardware name: Samsung Exynos (Flattened Device Tree)\nWorkqueue: events_unbound async_run_entry_fn\n unwind_backtrace from show_stack+0x10/0x14\n show_stack from dump_stack_lvl+0x58/0x70\n dump_stack_lvl from __warn+0x1a8/0x1cc\n __warn from warn_slowpath_fmt+0x18c/0x1b4\n warn_slowpath_fmt from input_device_enabled+0x68/0x6c\n input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc\n cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c\n cyapa_reinitialize from cyapa_resume+0x48/0x98\n cyapa_resume from dpm_run_callback+0x90/0x298\n dpm_run_callback from device_resume+0xb4/0x258\n device_resume from async_resume+0x20/0x64\n async_resume from async_run_entry_fn+0x40/0x15c\n async_run_entry_fn from process_scheduled_works+0xbc/0x6a8\n process_scheduled_works from worker_thread+0x188/0x454\n worker_thread from kthread+0x108/0x140\n kthread from ret_from_fork+0x14/0x28\nException stack(0xf1625fb0 to 0xf1625ff8)\n...\n---[ end trace 0000000000000000 ]---"
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CVE-2024-26947 (GCVE-0-2024-26947)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:18 – Updated: 2025-05-04 12:55
VLAI?
EPSS
Title
ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses
Summary
In the Linux kernel, the following vulnerability has been resolved:
ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses
Since commit a4d5613c4dc6 ("arm: extend pfn_valid to take into account
freed memory map alignment") changes the semantics of pfn_valid() to check
presence of the memory map for a PFN. A valid page for an address which
is reserved but not mapped by the kernel[1], the system crashed during
some uio test with the following memory layout:
node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]
node 0: [mem 0x00000000d0000000-0x00000000da1fffff]
the uio layout is：0xc0900000, 0x100000
the crash backtrace like:
Unable to handle kernel paging request at virtual address bff00000
[...]
CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1
Hardware name: Generic DT based system
PC is at b15_flush_kern_dcache_area+0x24/0x3c
LR is at __sync_icache_dcache+0x6c/0x98
[...]
(b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)
(__sync_icache_dcache) from (set_pte_at+0x28/0x54)
(set_pte_at) from (remap_pfn_range+0x1a0/0x274)
(remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])
(uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)
(__mmap_region) from (__do_mmap_mm+0x3ec/0x440)
(__do_mmap_mm) from (do_mmap+0x50/0x58)
(do_mmap) from (vm_mmap_pgoff+0xfc/0x188)
(vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)
(ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)
Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)
---[ end trace 09cf0734c3805d52 ]---
Kernel panic - not syncing: Fatal exception
So check if PG_reserved was set to solve this issue.
[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 , < 0c027c2bad7f5111c51a358b5d392e1a695dabff
(git)
Affected: a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 , < 9f7ddc222cae8254e93d5c169a8ae11a49d912a7 (git) Affected: a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 , < fb3a122a978626b33de3367ee1762da934c0f512 (git) Affected: a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 , < 0c66c6f4e21cb22220cbd8821c5c73fc157d20dc (git) Affected: 6026d4032dbbe3d7f4ac2c8daa923fe74dcf41c4 (git) Affected: 65c578935bcc26ddc04e6757b2c7be95bf235b31 (git) |
||
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses\n\nSince commit a4d5613c4dc6 (\"arm: extend pfn_valid to take into account\nfreed memory map alignment\") changes the semantics of pfn_valid() to check\npresence of the memory map for a PFN. A valid page for an address which\nis reserved but not mapped by the kernel[1], the system crashed during\nsome uio test with the following memory layout:\n\n node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff]\n node 0: [mem 0x00000000d0000000-0x00000000da1fffff]\n the uio layout is\uff1a0xc0900000, 0x100000\n\nthe crash backtrace like:\n\n Unable to handle kernel paging request at virtual address bff00000\n [...]\n CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1\n Hardware name: Generic DT based system\n PC is at b15_flush_kern_dcache_area+0x24/0x3c\n LR is at __sync_icache_dcache+0x6c/0x98\n [...]\n (b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98)\n (__sync_icache_dcache) from (set_pte_at+0x28/0x54)\n (set_pte_at) from (remap_pfn_range+0x1a0/0x274)\n (remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio])\n (uio_mmap [uio]) from (__mmap_region+0x264/0x5f4)\n (__mmap_region) from (__do_mmap_mm+0x3ec/0x440)\n (__do_mmap_mm) from (do_mmap+0x50/0x58)\n (do_mmap) from (vm_mmap_pgoff+0xfc/0x188)\n (vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4)\n (ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c)\n Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e)\n ---[ end trace 09cf0734c3805d52 ]---\n Kernel panic - not syncing: Fatal exception\n\nSo check if PG_reserved was set to solve this issue.\n\n[1]: https://lore.kernel.org/lkml/Zbtdue57RO0QScJM@linux.ibm.com/"
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"datePublished": "2024-05-01T05:18:17.316Z",
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"dateUpdated": "2025-05-04T12:55:15.719Z",
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CVE-2024-38601 (GCVE-0-2024-38601)
Vulnerability from cvelistv5 – Published: 2024-06-19 13:48 – Updated: 2025-11-04 17:21
VLAI?
EPSS
Title
ring-buffer: Fix a race between readers and resize checks
Summary
In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Fix a race between readers and resize checks
The reader code in rb_get_reader_page() swaps a new reader page into the
ring buffer by doing cmpxchg on old->list.prev->next to point it to the
new page. Following that, if the operation is successful,
old->list.next->prev gets updated too. This means the underlying
doubly-linked list is temporarily inconsistent, page->prev->next or
page->next->prev might not be equal back to page for some page in the
ring buffer.
The resize operation in ring_buffer_resize() can be invoked in parallel.
It calls rb_check_pages() which can detect the described inconsistency
and stop further tracing:
[ 190.271762] ------------[ cut here ]------------
[ 190.271771] WARNING: CPU: 1 PID: 6186 at kernel/trace/ring_buffer.c:1467 rb_check_pages.isra.0+0x6a/0xa0
[ 190.271789] Modules linked in: [...]
[ 190.271991] Unloaded tainted modules: intel_uncore_frequency(E):1 skx_edac(E):1
[ 190.272002] CPU: 1 PID: 6186 Comm: cmd.sh Kdump: loaded Tainted: G E 6.9.0-rc6-default #5 158d3e1e6d0b091c34c3b96bfd99a1c58306d79f
[ 190.272011] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552c-rebuilt.opensuse.org 04/01/2014
[ 190.272015] RIP: 0010:rb_check_pages.isra.0+0x6a/0xa0
[ 190.272023] Code: [...]
[ 190.272028] RSP: 0018:ffff9c37463abb70 EFLAGS: 00010206
[ 190.272034] RAX: ffff8eba04b6cb80 RBX: 0000000000000007 RCX: ffff8eba01f13d80
[ 190.272038] RDX: ffff8eba01f130c0 RSI: ffff8eba04b6cd00 RDI: ffff8eba0004c700
[ 190.272042] RBP: ffff8eba0004c700 R08: 0000000000010002 R09: 0000000000000000
[ 190.272045] R10: 00000000ffff7f52 R11: ffff8eba7f600000 R12: ffff8eba0004c720
[ 190.272049] R13: ffff8eba00223a00 R14: 0000000000000008 R15: ffff8eba067a8000
[ 190.272053] FS: 00007f1bd64752c0(0000) GS:ffff8eba7f680000(0000) knlGS:0000000000000000
[ 190.272057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 190.272061] CR2: 00007f1bd6662590 CR3: 000000010291e001 CR4: 0000000000370ef0
[ 190.272070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 190.272073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 190.272077] Call Trace:
[ 190.272098] <TASK>
[ 190.272189] ring_buffer_resize+0x2ab/0x460
[ 190.272199] __tracing_resize_ring_buffer.part.0+0x23/0xa0
[ 190.272206] tracing_resize_ring_buffer+0x65/0x90
[ 190.272216] tracing_entries_write+0x74/0xc0
[ 190.272225] vfs_write+0xf5/0x420
[ 190.272248] ksys_write+0x67/0xe0
[ 190.272256] do_syscall_64+0x82/0x170
[ 190.272363] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 190.272373] RIP: 0033:0x7f1bd657d263
[ 190.272381] Code: [...]
[ 190.272385] RSP: 002b:00007ffe72b643f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 190.272391] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1bd657d263
[ 190.272395] RDX: 0000000000000002 RSI: 0000555a6eb538e0 RDI: 0000000000000001
[ 190.272398] RBP: 0000555a6eb538e0 R08: 000000000000000a R09: 0000000000000000
[ 190.272401] R10: 0000555a6eb55190 R11: 0000000000000246 R12: 00007f1bd6662500
[ 190.272404] R13: 0000000000000002 R14: 00007f1bd6667c00 R15: 0000000000000002
[ 190.272412] </TASK>
[ 190.272414] ---[ end trace 0000000000000000 ]---
Note that ring_buffer_resize() calls rb_check_pages() only if the parent
trace_buffer has recording disabled. Recent commit d78ab792705c
("tracing: Stop current tracer when resizing buffer") causes that it is
now always the case which makes it more likely to experience this issue.
The window to hit this race is nonetheless very small. To help
reproducing it, one can add a delay loop in rb_get_reader_page():
ret = rb_head_page_replace(reader, cpu_buffer->reader_page);
if (!ret)
goto spin;
for (unsigned i = 0; i < 1U << 26; i++) /* inserted delay loop */
__asm__ __volatile__ ("" : : : "memory");
rb_list_head(reader->list.next)->prev = &cpu_buffer->reader_page->list;
..
---truncated---
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
659f451ff21315ebfeeb46b9adccee8ce1b52c25 , < b50932ea673b5a089a4bb570a8a868d95c72854e
(git)
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CVE-2024-26929 (GCVE-0-2024-26929)
Vulnerability from cvelistv5 – Published: 2024-05-01 05:17 – Updated: 2025-01-06 16:24
VLAI?
EPSS
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2024-42225 (GCVE-0-2024-42225)
Vulnerability from cvelistv5 – Published: 2024-07-30 07:47 – Updated: 2025-11-03 22:02
VLAI?
EPSS
Title
wifi: mt76: replace skb_put with skb_put_zero
Summary
In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: replace skb_put with skb_put_zero
Avoid potentially reusing uninitialized data
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
7bc04215a66b60e198aecaee8418f6d79fa19faa , < dc7f14d00d0c4c21898f3504607f4a31079065a2
(git)
Affected: 7bc04215a66b60e198aecaee8418f6d79fa19faa , < 22ea2a7f0b64d323625950414a4496520fb33657 (git) Affected: 7bc04215a66b60e198aecaee8418f6d79fa19faa , < ff6b26be13032c5fbd6b6a0b24358f8eaac4f3af (git) Affected: 7bc04215a66b60e198aecaee8418f6d79fa19faa , < 64f86337ccfe77fe3be5a9356b0dabde23fbb074 (git) Affected: 7bc04215a66b60e198aecaee8418f6d79fa19faa , < 7f819a2f4fbc510e088b49c79addcf1734503578 (git) |
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CVE-2024-36016 (GCVE-0-2024-36016)
Vulnerability from cvelistv5 – Published: 2024-05-29 18:46 – Updated: 2025-11-04 17:20
VLAI?
EPSS
Title
tty: n_gsm: fix possible out-of-bounds in gsm0_receive()
Summary
In the Linux kernel, the following vulnerability has been resolved:
tty: n_gsm: fix possible out-of-bounds in gsm0_receive()
Assuming the following:
- side A configures the n_gsm in basic option mode
- side B sends the header of a basic option mode frame with data length 1
- side A switches to advanced option mode
- side B sends 2 data bytes which exceeds gsm->len
Reason: gsm->len is not used in advanced option mode.
- side A switches to basic option mode
- side B keeps sending until gsm0_receive() writes past gsm->buf
Reason: Neither gsm->state nor gsm->len have been reset after
reconfiguration.
Fix this by changing gsm->count to gsm->len comparison from equal to less
than. Also add upper limit checks against the constant MAX_MRU in
gsm0_receive() and gsm1_receive() to harden against memory corruption of
gsm->len and gsm->mru.
All other checks remain as we still need to limit the data according to the
user configuration and actual payload size.
Severity ?
7.7 (High)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 9513d4148950b05bc99fa7314dc883cc0e1605e5
(git)
Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < b229bc6c6ea9fe459fc3fa94fd0a27a2f32aca56 (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 0fb736c9931e02dbc7d9a75044c8e1c039e50f04 (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 4c267110fc110390704cc065edb9817fdd10ff54 (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 46f52c89a7e7d2691b97a9728e4591d071ca8abc (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 774d83b008eccb1c48c14dc5486e7aa255731350 (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < f126ce7305fe88f49cdabc6db4168b9318898ea3 (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < b890d45aaf02b564e6cae2d2a590f9649330857d (git) Affected: e1eaea46bb4020b38a141b84f88565d4603f8dd0 , < 47388e807f85948eefc403a8a5fdc5b406a65d5a (git) |
|||||||
|
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CVE-2024-26739 (GCVE-0-2024-26739)
Vulnerability from cvelistv5 – Published: 2024-04-03 17:00 – Updated: 2025-11-03 19:29
VLAI?
EPSS
Title
net/sched: act_mirred: don't override retval if we already lost the skb
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/sched: act_mirred: don't override retval if we already lost the skb
If we're redirecting the skb, and haven't called tcf_mirred_forward(),
yet, we need to tell the core to drop the skb by setting the retcode
to SHOT. If we have called tcf_mirred_forward(), however, the skb
is out of our hands and returning SHOT will lead to UaF.
Move the retval override to the error path which actually need it.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
e5cf1baf92cb785b90390db1c624948e70c8b8bd , < 0117fe0a4615a7c8d30d6ebcbf87332fbe63e6fd
(git)
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CVE-2023-52439 (GCVE-0-2023-52439)
Vulnerability from cvelistv5 – Published: 2024-02-20 18:34 – Updated: 2025-05-04 12:49
VLAI?
EPSS
Title
uio: Fix use-after-free in uio_open
Summary
In the Linux kernel, the following vulnerability has been resolved:
uio: Fix use-after-free in uio_open
core-1 core-2
-------------------------------------------------------
uio_unregister_device uio_open
idev = idr_find()
device_unregister(&idev->dev)
put_device(&idev->dev)
uio_device_release
get_device(&idev->dev)
kfree(idev)
uio_free_minor(minor)
uio_release
put_device(&idev->dev)
kfree(idev)
-------------------------------------------------------
In the core-1 uio_unregister_device(), the device_unregister will kfree
idev when the idev->dev kobject ref is 1. But after core-1
device_unregister, put_device and before doing kfree, the core-2 may
get_device. Then:
1. After core-1 kfree idev, the core-2 will do use-after-free for idev.
2. When core-2 do uio_release and put_device, the idev will be double
freed.
To address this issue, we can get idev atomic & inc idev reference with
minor_lock.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
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Affected:
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(git)
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CVE-2024-35895 (GCVE-0-2024-35895)
Vulnerability from cvelistv5 – Published: 2024-05-19 08:34 – Updated: 2025-05-04 09:07
VLAI?
EPSS
Title
bpf, sockmap: Prevent lock inversion deadlock in map delete elem
Summary
In the Linux kernel, the following vulnerability has been resolved:
bpf, sockmap: Prevent lock inversion deadlock in map delete elem
syzkaller started using corpuses where a BPF tracing program deletes
elements from a sockmap/sockhash map. Because BPF tracing programs can be
invoked from any interrupt context, locks taken during a map_delete_elem
operation must be hardirq-safe. Otherwise a deadlock due to lock inversion
is possible, as reported by lockdep:
CPU0 CPU1
---- ----
lock(&htab->buckets[i].lock);
local_irq_disable();
lock(&host->lock);
lock(&htab->buckets[i].lock);
<Interrupt>
lock(&host->lock);
Locks in sockmap are hardirq-unsafe by design. We expects elements to be
deleted from sockmap/sockhash only in task (normal) context with interrupts
enabled, or in softirq context.
Detect when map_delete_elem operation is invoked from a context which is
_not_ hardirq-unsafe, that is interrupts are disabled, and bail out with an
error.
Note that map updates are not affected by this issue. BPF verifier does not
allow updating sockmap/sockhash from a BPF tracing program today.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
604326b41a6fb9b4a78b6179335decee0365cd8c , < f7990498b05ac41f7d6a190dc0418ef1d21bf058
(git)
Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < dd54b48db0c822ae7b520bc80751f0a0a173ef75 (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < d1e73fb19a4c872d7a399ad3c66e8ca30e0875ec (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < a44770fed86515eedb5a7c00b787f847ebb134a5 (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 668b3074aa14829e2ac2759799537a93b60fef86 (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < 6af057ccdd8e7619960aca1f0428339f213b31cd (git) Affected: 604326b41a6fb9b4a78b6179335decee0365cd8c , < ff91059932401894e6c86341915615c5eb0eca48 (git) |
|||||||
|
|||||||||
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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