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alsa-2023:7549
Vulnerability from osv_almalinux
Published
2023-11-28 00:00
Modified
2023-12-04 01:02
Summary
Important: kernel security and bug fix update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)
- kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)
- kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)
- kernel: use-after-free due to race condition occurring in dvb_register_device() (CVE-2022-45884)
- kernel: use-after-free due to race condition occurring in dvb_net.c (CVE-2022-45886)
- kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (CVE-2022-45919)
- kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)
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.
Bug Fix(es): * Fix max integer mmu_invalidate_seq hanging vCPU (ALBZ#445) * Random delay receiving packets after bringing up VLAN on top of VF with vf-vlan-pruning enabled (BZ#2240750) * bpf_jit_limit hit again (BZ#2243011) * HPE Edgeline 920t resets during kdump context when ice driver is loaded and when system is booted with intel_iommu=on iommu=pt (BZ#2244625)
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: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)\n* kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)\n* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)\n* kernel: use-after-free due to race condition occurring in dvb_register_device() (CVE-2022-45884)\n* kernel: use-after-free due to race condition occurring in dvb_net.c (CVE-2022-45886)\n* kernel: use-after-free due to race condition occurring in dvb_ca_en50221.c (CVE-2022-45919)\n* kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)\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\nBug Fix(es):\n* Fix max integer mmu_invalidate_seq hanging vCPU (ALBZ#445)\n* Random delay receiving packets after bringing up VLAN on top of VF with vf-vlan-pruning enabled (BZ#2240750)\n* bpf_jit_limit hit again (BZ#2243011)\n* HPE Edgeline 920t resets during kdump context when ice driver is loaded and when system is booted with intel_iommu=on iommu=pt (BZ#2244625)",
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"modified": "2023-12-04T01:02:19Z",
"published": "2023-11-28T00:00:00Z",
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CVE-2022-45884 (GCVE-0-2022-45884)
Vulnerability from cvelistv5 – Published: 2022-11-25 00:00 – Updated: 2024-08-03 14:24
VLAI?
EPSS
Summary
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvbdev.c has a use-after-free, related to dvb_register_device dynamically allocating fops.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2023-1192 (GCVE-0-2023-1192)
Vulnerability from cvelistv5 – Published: 2023-11-01 19:01 – Updated: 2025-02-27 20:36
VLAI?
EPSS
Title
Use-after-free in smb2_is_status_io_timeout()
Summary
A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel. After CIFS transfers response data to a system call, there are still local variable points to the memory region, and if the system call frees it faster than CIFS uses it, CIFS will access a free memory region, leading to a denial of service.
Severity ?
6.5 (Medium)
CWE
- CWE-416 - Use After Free
Assigner
References
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|
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Date Public ?
2022-10-02 00:00
Credits
Red Hat would like to thank Pumpkin (@u1f383), working with DEVCORE Internship Program for reporting this issue.
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CVE-2022-45919 (GCVE-0-2022-45919)
Vulnerability from cvelistv5 – Published: 2022-11-27 00:00 – Updated: 2024-08-03 14:24
VLAI?
EPSS
Summary
An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2022-45886 (GCVE-0-2022-45886)
Vulnerability from cvelistv5 – Published: 2022-11-25 00:00 – Updated: 2024-08-03 14:24
VLAI?
EPSS
Summary
An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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CVE-2023-3812 (GCVE-0-2023-3812)
Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2026-02-26 20:27
VLAI?
EPSS
Title
Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
Summary
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Severity ?
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-513.9.1.rt7.311.el8_9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::nfv cpe:/a:redhat:enterprise_linux:8::realtime |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2022-10-22 00:00
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CVE-2023-5178 (GCVE-0-2023-5178)
Vulnerability from cvelistv5 – Published: 2023-11-01 16:32 – Updated: 2026-02-18 17:14
VLAI?
EPSS
Title
Kernel: use after free in nvmet_tcp_free_crypto in nvme
Summary
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.
Severity ?
8.8 (High)
CWE
- CWE-1341 - Multiple Releases of Same Resource or Handle
Assigner
References
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Impacted products
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| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-513.9.1.rt7.311.el8_9 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::realtime cpe:/a:redhat:enterprise_linux:8::nfv |
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Date Public ?
2023-10-15 00:00
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CVE-2023-2163 (GCVE-0-2023-2163)
Vulnerability from cvelistv5 – Published: 2023-09-20 05:02 – Updated: 2025-02-27 20:49
VLAI?
EPSS
Title
Incorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege Escalation
Summary
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe
code paths being incorrectly marked as safe, resulting in arbitrary read/write in
kernel memory, lateral privilege escalation, and container escape.
Severity ?
10 (Critical)
CWE
- CWE-682 - Incorrect Calculation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux Kernel |
Unaffected:
0 , < 5.4
(custom)
Affected: 0 , < 71b547f561247897a0a14f3082730156c0533fed (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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