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CERTFR-2024-AVI-1050
Vulnerability from certfr_avis - Published: 2024-12-06 - Updated: 2024-12-06
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une atteinte à l'intégrité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.2 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.2 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.2 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.2 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.2 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server - AUS 9.4 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.4 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.2 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.4 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server - AUS 9.2 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64 | ||
| Red Hat | Red Hat Enterprise Linux | Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64 | ||
| Red Hat | Red Hat CodeReady Linux Builder | Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.2 s390x | ||
| Red Hat | Red Hat Enterprise Linux Server | Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.2 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.2 x86_64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.2 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.2 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.2 ppc64le",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.4 x86_64",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.4 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.2 aarch64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.4 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server - AUS 9.2 x86_64",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64",
"product": {
"name": "Red Hat Enterprise Linux",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.2 s390x",
"product": {
"name": "Red Hat CodeReady Linux Builder",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
},
{
"description": "Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le",
"product": {
"name": "Red Hat Enterprise Linux Server",
"vendor": {
"name": "Red Hat",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2024-26601",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26601"
},
{
"name": "CVE-2024-41031",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41031"
},
{
"name": "CVE-2024-41093",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41093"
},
{
"name": "CVE-2024-38555",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38555"
},
{
"name": "CVE-2024-41009",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41009"
},
{
"name": "CVE-2024-40988",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40988"
},
{
"name": "CVE-2024-26984",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26984"
},
{
"name": "CVE-2024-42241",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42241"
},
{
"name": "CVE-2024-38384",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38384"
},
{
"name": "CVE-2024-41038",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41038"
},
{
"name": "CVE-2024-37356",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-37356"
},
{
"name": "CVE-2024-26704",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26704"
},
{
"name": "CVE-2023-52635",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52635"
},
{
"name": "CVE-2024-40997",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40997"
},
{
"name": "CVE-2024-42154",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42154"
},
{
"name": "CVE-2024-42228",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42228"
},
{
"name": "CVE-2024-41007",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41007"
},
{
"name": "CVE-2024-26686",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26686"
},
{
"name": "CVE-2024-42240",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42240"
},
{
"name": "CVE-2024-26615",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26615"
},
{
"name": "CVE-2024-41056",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41056"
},
{
"name": "CVE-2024-36928",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36928"
},
{
"name": "CVE-2023-52775",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52775"
},
{
"name": "CVE-2024-36960",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36960"
},
{
"name": "CVE-2023-52619",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52619"
},
{
"name": "CVE-2024-41008",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41008"
},
{
"name": "CVE-2024-41041",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41041"
},
{
"name": "CVE-2024-27399",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-27399"
},
{
"name": "CVE-2024-43854",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-43854"
},
{
"name": "CVE-2024-39507",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-39507"
},
{
"name": "CVE-2024-42244",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42244"
},
{
"name": "CVE-2024-42238",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42238"
},
{
"name": "CVE-2023-52749",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52749"
},
{
"name": "CVE-2023-52881",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52881"
},
{
"name": "CVE-2022-48804",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-48804"
},
{
"name": "CVE-2024-41014",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-41014"
},
{
"name": "CVE-2024-38541",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-38541"
},
{
"name": "CVE-2023-52811",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-52811"
},
{
"name": "CVE-2023-0597",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-0597"
},
{
"name": "CVE-2024-36920",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-36920"
},
{
"name": "CVE-2024-42271",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42271"
},
{
"name": "CVE-2024-42237",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42237"
},
{
"name": "CVE-2024-42243",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42243"
},
{
"name": "CVE-2024-44989",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-44989"
}
],
"initial_release_date": "2024-12-06T00:00:00",
"last_revision_date": "2024-12-06T00:00:00",
"links": [],
"reference": "CERTFR-2024-AVI-1050",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2024-12-06T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de Red Hat. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de Red Hat",
"vendor_advisories": [
{
"published_at": "2024-12-04",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2024:10773",
"url": "https://access.redhat.com/errata/RHSA-2024:10773"
},
{
"published_at": "2024-12-04",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2024:10772",
"url": "https://access.redhat.com/errata/RHSA-2024:10772"
},
{
"published_at": "2024-12-04",
"title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2024:10771",
"url": "https://access.redhat.com/errata/RHSA-2024:10771"
}
]
}
CVE-2024-41041 (GCVE-0-2024-41041)
Vulnerability from cvelistv5 – Published: 2024-07-29 14:31 – Updated: 2026-05-11 20:25
VLAI
EPSS
Title
udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
Summary
In the Linux kernel, the following vulnerability has been resolved:
udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
syzkaller triggered the warning [0] in udp_v4_early_demux().
In udp_v[46]_early_demux() and sk_lookup(), we do not touch the refcount
of the looked-up sk and use sock_pfree() as skb->destructor, so we check
SOCK_RCU_FREE to ensure that the sk is safe to access during the RCU grace
period.
Currently, SOCK_RCU_FREE is flagged for a bound socket after being put
into the hash table. Moreover, the SOCK_RCU_FREE check is done too early
in udp_v[46]_early_demux() and sk_lookup(), so there could be a small race
window:
CPU1 CPU2
---- ----
udp_v4_early_demux() udp_lib_get_port()
| |- hlist_add_head_rcu()
|- sk = __udp4_lib_demux_lookup() |
|- DEBUG_NET_WARN_ON_ONCE(sk_is_refcounted(sk));
`- sock_set_flag(sk, SOCK_RCU_FREE)
We had the same bug in TCP and fixed it in commit 871019b22d1b ("net:
set SOCK_RCU_FREE before inserting socket into hashtable").
Let's apply the same fix for UDP.
[0]:
WARNING: CPU: 0 PID: 11198 at net/ipv4/udp.c:2599 udp_v4_early_demux+0x481/0xb70 net/ipv4/udp.c:2599
Modules linked in:
CPU: 0 PID: 11198 Comm: syz-executor.1 Not tainted 6.9.0-g93bda33046e7 #13
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:udp_v4_early_demux+0x481/0xb70 net/ipv4/udp.c:2599
Code: c5 7a 15 fe bb 01 00 00 00 44 89 e9 31 ff d3 e3 81 e3 bf ef ff ff 89 de e8 2c 74 15 fe 85 db 0f 85 02 06 00 00 e8 9f 7a 15 fe <0f> 0b e8 98 7a 15 fe 49 8d 7e 60 e8 4f 39 2f fe 49 c7 46 60 20 52
RSP: 0018:ffffc9000ce3fa58 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8318c92c
RDX: ffff888036ccde00 RSI: ffffffff8318c2f1 RDI: 0000000000000001
RBP: ffff88805a2dd6e0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0001ffffffffffff R12: ffff88805a2dd680
R13: 0000000000000007 R14: ffff88800923f900 R15: ffff88805456004e
FS: 00007fc449127640(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc449126e38 CR3: 000000003de4b002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
PKRU: 55555554
Call Trace:
<TASK>
ip_rcv_finish_core.constprop.0+0xbdd/0xd20 net/ipv4/ip_input.c:349
ip_rcv_finish+0xda/0x150 net/ipv4/ip_input.c:447
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
ip_rcv+0x16c/0x180 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core+0xb3/0xe0 net/core/dev.c:5624
__netif_receive_skb+0x21/0xd0 net/core/dev.c:5738
netif_receive_skb_internal net/core/dev.c:5824 [inline]
netif_receive_skb+0x271/0x300 net/core/dev.c:5884
tun_rx_batched drivers/net/tun.c:1549 [inline]
tun_get_user+0x24db/0x2c50 drivers/net/tun.c:2002
tun_chr_write_iter+0x107/0x1a0 drivers/net/tun.c:2048
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x76f/0x8d0 fs/read_write.c:590
ksys_write+0xbf/0x190 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x41/0x50 fs/read_write.c:652
x64_sys_call+0xe66/0x1990 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x4b/0x110 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x4b/0x53
RIP: 0033:0x7fc44a68bc1f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 e9 cf f5 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 3c d0 f5 ff 48
RSP: 002b:00007fc449126c90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000004bc050 RCX: 00007fc44a68bc1f
R
---truncated---
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < 7a67c4e47626e6daccda62888f8b096abb5d3940
(git)
Affected: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < 9f965684c57c3117cfd2f754dd3270383c529fba (git) Affected: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < ddf516e50bf8a7bc9b3bd8a9831f9c7a8131a32a (git) Affected: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < a6db0d3ea6536e7120871e5448b3032570152ec6 (git) Affected: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < c5fd77ca13d657c6e99bf04f0917445e6a80231e (git) Affected: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < 20ceae10623c3b29fdf7609690849475bcdebdb0 (git) Affected: 6acc9b432e6714d72d7d77ec7c27f6f8358d0c71 , < 5c0b485a8c6116516f33925b9ce5b6104a6eadfd (git) |
|
| Linux | Linux |
Affected:
4.20
Unaffected: 0 , < 4.20 (semver) Unaffected: 5.4.280 , ≤ 5.4.* (semver) Unaffected: 5.10.222 , ≤ 5.10.* (semver) Unaffected: 5.15.163 , ≤ 5.15.* (semver) Unaffected: 6.1.100 , ≤ 6.1.* (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-41056 (GCVE-0-2024-41056)
Vulnerability from cvelistv5 – Published: 2024-07-29 14:33 – Updated: 2026-05-11 20:25
VLAI
EPSS
Title
firmware: cs_dsp: Use strnlen() on name fields in V1 wmfw files
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: cs_dsp: Use strnlen() on name fields in V1 wmfw files
Use strnlen() instead of strlen() on the algorithm and coefficient name
string arrays in V1 wmfw files.
In V1 wmfw files the name is a NUL-terminated string in a fixed-size
array. cs_dsp should protect against overrunning the array if the NUL
terminator is missing.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 16d76857d6b5426f41b587d0bb925de3f25bfb21
(git)
Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 392cff2f86a25a4286ff3151c7739143c61c1781 (git) Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 53a9f8cdbf35a682e9894e1a606f4640e5359185 (git) Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 680e126ec0400f6daecf0510c5bb97a55779ff03 (git) |
|
| Linux | Linux |
Affected:
5.16
Unaffected: 0 , < 5.16 (semver) Unaffected: 6.1.100 , ≤ 6.1.* (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-41093 (GCVE-0-2024-41093)
Vulnerability from cvelistv5 – Published: 2024-07-29 15:48 – Updated: 2026-05-11 20:26
VLAI
EPSS
Title
drm/amdgpu: avoid using null object of framebuffer
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: avoid using null object of framebuffer
Instead of using state->fb->obj[0] directly, get object from framebuffer
by calling drm_gem_fb_get_obj() and return error code when object is
null to avoid using null object of framebuffer.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 7f35e01cb0ea4d295f5c067bb5c67dfcddaf05bc
(git)
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|
| Linux | Linux |
Affected:
4.2
Unaffected: 0 , < 4.2 (semver) Unaffected: 5.15.162 , ≤ 5.15.* (semver) Unaffected: 6.1.97 , ≤ 6.1.* (semver) Unaffected: 6.6.37 , ≤ 6.6.* (semver) Unaffected: 6.9.8 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-42154 (GCVE-0-2024-42154)
Vulnerability from cvelistv5 – Published: 2024-07-30 07:46 – Updated: 2026-05-11 20:28
VLAI
EPSS
Title
tcp_metrics: validate source addr length
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp_metrics: validate source addr length
I don't see anything checking that TCP_METRICS_ATTR_SADDR_IPV4
is at least 4 bytes long, and the policy doesn't have an entry
for this attribute at all (neither does it for IPv6 but v6 is
manually validated).
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
13 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < 19d997b59fa1fd7a02e770ee0881c0652b9c32c9
(git)
Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < 2a2e79dbe2236a1289412d2044994f7ab419b44c (git) Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < cdffc358717e436bb67122bb82c1a2a26e050f98 (git) Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < ef7c428b425beeb52b894e16f1c4b629d6cebfb6 (git) Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < 31f03bb04146c1c6df6c03e9f45401f5f5a985d3 (git) Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < 8c2debdd170e395934ac0e039748576dfde14e99 (git) Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < 3d550dd5418729a6e77fe7721d27adea7152e321 (git) Affected: 3e7013ddf55af7bc191792b8aea0c2b94fb0fef5 , < 66be40e622e177316ae81717aa30057ba9e61dff (git) |
|
| Linux | Linux |
Affected:
3.14
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CVE-2024-42228 (GCVE-0-2024-42228)
Vulnerability from cvelistv5 – Published: 2024-07-30 07:47 – Updated: 2026-05-11 20:28
VLAI
EPSS
Title
drm/amdgpu: Using uninitialized value *size when calling amdgpu_vce_cs_reloc
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Using uninitialized value *size when calling amdgpu_vce_cs_reloc
Initialize the size before calling amdgpu_vce_cs_reloc, such as case 0x03000001.
V2: To really improve the handling we would actually
need to have a separate value of 0xffffffff.(Christian)
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
10 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < d35cf41c8eb5d9fe95b21ae6ee2910f9ba4878e8
(git)
Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 3b505759447637dcccb50cbd98ec6f8d2a04fc46 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < df02642c21c984303fe34c3f7d72965792fb1a15 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < da6a85d197888067e8d38b5d22c986b5b5cab712 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 9ee1534ecdd5b4c013064663502d7fde824d2144 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 855ae72c20310e5402b2317fc537d911e87537ef (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < f8f120b3de48b8b6bdf8988a9b334c2d61c17440 (git) Affected: d38ceaf99ed015f2a0b9af3499791bd3a3daae21 , < 88a9a467c548d0b3c7761b4fd54a68e70f9c0944 (git) |
|
| Linux | Linux |
Affected:
4.2
Unaffected: 0 , < 4.2 (semver) Unaffected: 4.19.321 , ≤ 4.19.* (semver) Unaffected: 5.4.283 , ≤ 5.4.* (semver) Unaffected: 5.10.225 , ≤ 5.10.* (semver) Unaffected: 5.15.166 , ≤ 5.15.* (semver) Unaffected: 6.1.108 , ≤ 6.1.* (semver) Unaffected: 6.6.39 , ≤ 6.6.* (semver) Unaffected: 6.9.9 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-42237 (GCVE-0-2024-42237)
Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-11 20:28
VLAI
EPSS
Title
firmware: cs_dsp: Validate payload length before processing block
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: cs_dsp: Validate payload length before processing block
Move the payload length check in cs_dsp_load() and cs_dsp_coeff_load()
to be done before the block is processed.
The check that the length of a block payload does not exceed the number
of remaining bytes in the firwmware file buffer was being done near the
end of the loop iteration. However, some code before that check used the
length field without validating it.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 259955eca9b7acf1299b1ac077d8cfbe12df35d8
(git)
Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 3a9cd924aec1288d675df721f244da4dd7e16cff (git) Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 71d9e313d8f7e18c543a9c80506fe6b1eb1fe0c8 (git) Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 6598afa9320b6ab13041616950ca5f8f938c0cf1 (git) |
|
| Linux | Linux |
Affected:
5.16
Unaffected: 0 , < 5.16 (semver) Unaffected: 6.1.100 , ≤ 6.1.* (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-42238 (GCVE-0-2024-42238)
Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-11 20:28
VLAI
EPSS
Title
firmware: cs_dsp: Return error if block header overflows file
Summary
In the Linux kernel, the following vulnerability has been resolved:
firmware: cs_dsp: Return error if block header overflows file
Return an error from cs_dsp_power_up() if a block header is longer
than the amount of data left in the file.
The previous code in cs_dsp_load() and cs_dsp_load_coeff() would loop
while there was enough data left in the file for a valid region. This
protected against overrunning the end of the file data, but it didn't
abort the file processing with an error.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < b8be70566b33abbd0180105070b4c67cfef8c44f
(git)
Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 90ab191b7d181057d71234e8632e06b5844ac38e (git) Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 6eabd23383805725eff416c203688b7a390d4153 (git) Affected: f6bc909e7673c30abcbdb329e7d0aa2e83c103d7 , < 959fe01e85b7241e3ec305d657febbe82da16a02 (git) |
|
| Linux | Linux |
Affected:
5.16
Unaffected: 0 , < 5.16 (semver) Unaffected: 6.1.100 , ≤ 6.1.* (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-42240 (GCVE-0-2024-42240)
Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-23 15:52
VLAI
EPSS
Title
x86/bhi: Avoid warning in #DB handler due to BHI mitigation
Summary
In the Linux kernel, the following vulnerability has been resolved:
x86/bhi: Avoid warning in #DB handler due to BHI mitigation
When BHI mitigation is enabled, if SYSENTER is invoked with the TF flag set
then entry_SYSENTER_compat() uses CLEAR_BRANCH_HISTORY and calls the
clear_bhb_loop() before the TF flag is cleared. This causes the #DB handler
(exc_debug_kernel()) to issue a warning because single-step is used outside the
entry_SYSENTER_compat() function.
To address this issue, entry_SYSENTER_compat() should use CLEAR_BRANCH_HISTORY
after making sure the TF flag is cleared.
The problem can be reproduced with the following sequence:
$ cat sysenter_step.c
int main()
{ asm("pushf; pop %ax; bts $8,%ax; push %ax; popf; sysenter"); }
$ gcc -o sysenter_step sysenter_step.c
$ ./sysenter_step
Segmentation fault (core dumped)
The program is expected to crash, and the #DB handler will issue a warning.
Kernel log:
WARNING: CPU: 27 PID: 7000 at arch/x86/kernel/traps.c:1009 exc_debug_kernel+0xd2/0x160
...
RIP: 0010:exc_debug_kernel+0xd2/0x160
...
Call Trace:
<#DB>
? show_regs+0x68/0x80
? __warn+0x8c/0x140
? exc_debug_kernel+0xd2/0x160
? report_bug+0x175/0x1a0
? handle_bug+0x44/0x90
? exc_invalid_op+0x1c/0x70
? asm_exc_invalid_op+0x1f/0x30
? exc_debug_kernel+0xd2/0x160
exc_debug+0x43/0x50
asm_exc_debug+0x1e/0x40
RIP: 0010:clear_bhb_loop+0x0/0xb0
...
</#DB>
<TASK>
? entry_SYSENTER_compat_after_hwframe+0x6e/0x8d
</TASK>
[ bp: Massage commit message. ]
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
bd53ec80f21839cfd4d852a6088279d602d67e5b , < db56615e96c439e13783d7715330e824b4fd4b84
(git)
Affected: 07dbb10f153f483e8249acebdffedf922e2ec2e1 , < a765679defe1dc1b8fa01928a6ad6361e72a1364 (git) Affected: eb36b0dce2138581bc6b5e39d0273cb4c96ded81 , < dae3543db8f0cf8ac1a198c3bb4b6e3c24d576cf (git) Affected: 7390db8aea0d64e9deb28b8e1ce716f5020c7ee5 , < 08518d48e5b744620524f0acd7c26c19bda7f513 (git) Affected: 7390db8aea0d64e9deb28b8e1ce716f5020c7ee5 , < ac8b270b61d48fcc61f052097777e3b5e11591e0 (git) Affected: 8f51637712e4da5be410a1666f8aee0d86eef898 (git) Affected: 5.15.154 , < 5.15.163 (semver) Affected: 6.1.85 , < 6.1.100 (semver) Affected: 6.6.26 , < 6.6.41 (semver) Affected: 6.8.5 , < 6.9 (semver) |
|
| Linux | Linux |
Affected:
6.9
Unaffected: 0 , < 6.9 (semver) Unaffected: 5.15.163 , ≤ 5.15.* (semver) Unaffected: 6.1.100 , ≤ 6.1.* (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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CVE-2024-42241 (GCVE-0-2024-42241)
Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-11 20:28
VLAI
EPSS
Title
mm/shmem: disable PMD-sized page cache if needed
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/shmem: disable PMD-sized page cache if needed
For shmem files, it's possible that PMD-sized page cache can't be
supported by xarray. For example, 512MB page cache on ARM64 when the base
page size is 64KB can't be supported by xarray. It leads to errors as the
following messages indicate when this sort of xarray entry is split.
WARNING: CPU: 34 PID: 7578 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128
Modules linked in: binfmt_misc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 \
nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject \
nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 \
ip_set rfkill nf_tables nfnetlink vfat fat virtio_balloon drm fuse xfs \
libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce virtio_net \
net_failover virtio_console virtio_blk failover dimlib virtio_mmio
CPU: 34 PID: 7578 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #9
Hardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : xas_split_alloc+0xf8/0x128
lr : split_huge_page_to_list_to_order+0x1c4/0x720
sp : ffff8000882af5f0
x29: ffff8000882af5f0 x28: ffff8000882af650 x27: ffff8000882af768
x26: 0000000000000cc0 x25: 000000000000000d x24: ffff00010625b858
x23: ffff8000882af650 x22: ffffffdfc0900000 x21: 0000000000000000
x20: 0000000000000000 x19: ffffffdfc0900000 x18: 0000000000000000
x17: 0000000000000000 x16: 0000018000000000 x15: 52f8004000000000
x14: 0000e00000000000 x13: 0000000000002000 x12: 0000000000000020
x11: 52f8000000000000 x10: 52f8e1c0ffff6000 x9 : ffffbeb9619a681c
x8 : 0000000000000003 x7 : 0000000000000000 x6 : ffff00010b02ddb0
x5 : ffffbeb96395e378 x4 : 0000000000000000 x3 : 0000000000000cc0
x2 : 000000000000000d x1 : 000000000000000c x0 : 0000000000000000
Call trace:
xas_split_alloc+0xf8/0x128
split_huge_page_to_list_to_order+0x1c4/0x720
truncate_inode_partial_folio+0xdc/0x160
shmem_undo_range+0x2bc/0x6a8
shmem_fallocate+0x134/0x430
vfs_fallocate+0x124/0x2e8
ksys_fallocate+0x4c/0xa0
__arm64_sys_fallocate+0x24/0x38
invoke_syscall.constprop.0+0x7c/0xd8
do_el0_svc+0xb4/0xd0
el0_svc+0x44/0x1d8
el0t_64_sync_handler+0x134/0x150
el0t_64_sync+0x17c/0x180
Fix it by disabling PMD-sized page cache when HPAGE_PMD_ORDER is larger
than MAX_PAGECACHE_ORDER. As Matthew Wilcox pointed, the page cache in a
shmem file isn't represented by a multi-index entry and doesn't have this
limitation when the xarry entry is split until commit 6b24ca4a1a8d ("mm:
Use multi-index entries in the page cache").
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 , < 93893eacb372b0a4a30f7de6609b08c3ba6c4fd9
(git)
Affected: 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 , < cd25208ca9b0097f8e079d692fc678f36fdbc3f9 (git) Affected: 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 , < 9fd154ba926b34c833b7bfc4c14ee2e931b3d743 (git) |
|
| Linux | Linux |
Affected:
5.17
Unaffected: 0 , < 5.17 (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/shmem: disable PMD-sized page cache if needed\n\nFor shmem files, it\u0027s possible that PMD-sized page cache can\u0027t be\nsupported by xarray. For example, 512MB page cache on ARM64 when the base\npage size is 64KB can\u0027t be supported by xarray. It leads to errors as the\nfollowing messages indicate when this sort of xarray entry is split.\n\nWARNING: CPU: 34 PID: 7578 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128\nModules linked in: binfmt_misc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 \\\nnft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject \\\nnft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 \\\nip_set rfkill nf_tables nfnetlink vfat fat virtio_balloon drm fuse xfs \\\nlibcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 sha1_ce virtio_net \\\nnet_failover virtio_console virtio_blk failover dimlib virtio_mmio\nCPU: 34 PID: 7578 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #9\nHardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024\npstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)\npc : xas_split_alloc+0xf8/0x128\nlr : split_huge_page_to_list_to_order+0x1c4/0x720\nsp : ffff8000882af5f0\nx29: ffff8000882af5f0 x28: ffff8000882af650 x27: ffff8000882af768\nx26: 0000000000000cc0 x25: 000000000000000d x24: ffff00010625b858\nx23: ffff8000882af650 x22: ffffffdfc0900000 x21: 0000000000000000\nx20: 0000000000000000 x19: ffffffdfc0900000 x18: 0000000000000000\nx17: 0000000000000000 x16: 0000018000000000 x15: 52f8004000000000\nx14: 0000e00000000000 x13: 0000000000002000 x12: 0000000000000020\nx11: 52f8000000000000 x10: 52f8e1c0ffff6000 x9 : ffffbeb9619a681c\nx8 : 0000000000000003 x7 : 0000000000000000 x6 : ffff00010b02ddb0\nx5 : ffffbeb96395e378 x4 : 0000000000000000 x3 : 0000000000000cc0\nx2 : 000000000000000d x1 : 000000000000000c x0 : 0000000000000000\nCall trace:\n xas_split_alloc+0xf8/0x128\n split_huge_page_to_list_to_order+0x1c4/0x720\n truncate_inode_partial_folio+0xdc/0x160\n shmem_undo_range+0x2bc/0x6a8\n shmem_fallocate+0x134/0x430\n vfs_fallocate+0x124/0x2e8\n ksys_fallocate+0x4c/0xa0\n __arm64_sys_fallocate+0x24/0x38\n invoke_syscall.constprop.0+0x7c/0xd8\n do_el0_svc+0xb4/0xd0\n el0_svc+0x44/0x1d8\n el0t_64_sync_handler+0x134/0x150\n el0t_64_sync+0x17c/0x180\n\nFix it by disabling PMD-sized page cache when HPAGE_PMD_ORDER is larger\nthan MAX_PAGECACHE_ORDER. As Matthew Wilcox pointed, the page cache in a\nshmem file isn\u0027t represented by a multi-index entry and doesn\u0027t have this\nlimitation when the xarry entry is split until commit 6b24ca4a1a8d (\"mm:\nUse multi-index entries in the page cache\")."
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"title": "mm/shmem: disable PMD-sized page cache if needed",
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"datePublished": "2024-08-07T15:14:28.547Z",
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CVE-2024-42243 (GCVE-0-2024-42243)
Vulnerability from cvelistv5 – Published: 2024-08-07 15:14 – Updated: 2026-05-11 20:28
VLAI
EPSS
Title
mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray
Patch series "mm/filemap: Limit page cache size to that supported by
xarray", v2.
Currently, xarray can't support arbitrary page cache size. More details
can be found from the WARN_ON() statement in xas_split_alloc(). In our
test whose code is attached below, we hit the WARN_ON() on ARM64 system
where the base page size is 64KB and huge page size is 512MB. The issue
was reported long time ago and some discussions on it can be found here
[1].
[1] https://www.spinics.net/lists/linux-xfs/msg75404.html
In order to fix the issue, we need to adjust MAX_PAGECACHE_ORDER to one
supported by xarray and avoid PMD-sized page cache if needed. The code
changes are suggested by David Hildenbrand.
PATCH[1] adjusts MAX_PAGECACHE_ORDER to that supported by xarray
PATCH[2-3] avoids PMD-sized page cache in the synchronous readahead path
PATCH[4] avoids PMD-sized page cache for shmem files if needed
Test program
============
# cat test.c
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/syscall.h>
#include <sys/mman.h>
#define TEST_XFS_FILENAME "/tmp/data"
#define TEST_SHMEM_FILENAME "/dev/shm/data"
#define TEST_MEM_SIZE 0x20000000
int main(int argc, char **argv)
{
const char *filename;
int fd = 0;
void *buf = (void *)-1, *p;
int pgsize = getpagesize();
int ret;
if (pgsize != 0x10000) {
fprintf(stderr, "64KB base page size is required\n");
return -EPERM;
}
system("echo force > /sys/kernel/mm/transparent_hugepage/shmem_enabled");
system("rm -fr /tmp/data");
system("rm -fr /dev/shm/data");
system("echo 1 > /proc/sys/vm/drop_caches");
/* Open xfs or shmem file */
filename = TEST_XFS_FILENAME;
if (argc > 1 && !strcmp(argv[1], "shmem"))
filename = TEST_SHMEM_FILENAME;
fd = open(filename, O_CREAT | O_RDWR | O_TRUNC);
if (fd < 0) {
fprintf(stderr, "Unable to open <%s>\n", filename);
return -EIO;
}
/* Extend file size */
ret = ftruncate(fd, TEST_MEM_SIZE);
if (ret) {
fprintf(stderr, "Error %d to ftruncate()\n", ret);
goto cleanup;
}
/* Create VMA */
buf = mmap(NULL, TEST_MEM_SIZE,
PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (buf == (void *)-1) {
fprintf(stderr, "Unable to mmap <%s>\n", filename);
goto cleanup;
}
fprintf(stdout, "mapped buffer at 0x%p\n", buf);
ret = madvise(buf, TEST_MEM_SIZE, MADV_HUGEPAGE);
if (ret) {
fprintf(stderr, "Unable to madvise(MADV_HUGEPAGE)\n");
goto cleanup;
}
/* Populate VMA */
ret = madvise(buf, TEST_MEM_SIZE, MADV_POPULATE_WRITE);
if (ret) {
fprintf(stderr, "Error %d to madvise(MADV_POPULATE_WRITE)\n", ret);
goto cleanup;
}
/* Punch the file to enforce xarray split */
ret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,
TEST_MEM_SIZE - pgsize, pgsize);
if (ret)
fprintf(stderr, "Error %d to fallocate()\n", ret);
cleanup:
if (buf != (void *)-1)
munmap(buf, TEST_MEM_SIZE);
if (fd > 0)
close(fd);
return 0;
}
# gcc test.c -o test
# cat /proc/1/smaps | grep KernelPageSize | head -n 1
KernelPageSize: 64 kB
# ./test shmem
:
------------[ cut here ]------------
WARNING: CPU: 17 PID: 5253 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128
Modules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib \
nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct \
nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 \
ip_set nf_tables rfkill nfnetlink vfat fat virtio_balloon \
drm fuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 \
virtio_net sha1_ce net_failover failover virtio_console virtio_blk \
dimlib virtio_mmio
CPU: 17 PID: 5253 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #12
Hardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024
pstate: 83400005 (Nzcv daif +PAN -UAO +TC
---truncated---
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Linux | Linux |
Affected:
793917d997df2e432f3e9ac126e4482d68256d01 , < a0c42ddd0969fdc760a85e20e267776028a7ca4e
(git)
Affected: 793917d997df2e432f3e9ac126e4482d68256d01 , < 333c5539a31f48828456aa9997ec2808f06a699a (git) Affected: 793917d997df2e432f3e9ac126e4482d68256d01 , < 099d90642a711caae377f53309abfe27e8724a8b (git) |
|
| Linux | Linux |
Affected:
5.18
Unaffected: 0 , < 5.18 (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
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{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray\n\nPatch series \"mm/filemap: Limit page cache size to that supported by\nxarray\", v2.\n\nCurrently, xarray can\u0027t support arbitrary page cache size. More details\ncan be found from the WARN_ON() statement in xas_split_alloc(). In our\ntest whose code is attached below, we hit the WARN_ON() on ARM64 system\nwhere the base page size is 64KB and huge page size is 512MB. The issue\nwas reported long time ago and some discussions on it can be found here\n[1].\n\n[1] https://www.spinics.net/lists/linux-xfs/msg75404.html\n\nIn order to fix the issue, we need to adjust MAX_PAGECACHE_ORDER to one\nsupported by xarray and avoid PMD-sized page cache if needed. The code\nchanges are suggested by David Hildenbrand.\n\nPATCH[1] adjusts MAX_PAGECACHE_ORDER to that supported by xarray\nPATCH[2-3] avoids PMD-sized page cache in the synchronous readahead path\nPATCH[4] avoids PMD-sized page cache for shmem files if needed\n\nTest program\n============\n# cat test.c\n#define _GNU_SOURCE\n#include \u003cstdio.h\u003e\n#include \u003cstdlib.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003cstring.h\u003e\n#include \u003cfcntl.h\u003e\n#include \u003cerrno.h\u003e\n#include \u003csys/syscall.h\u003e\n#include \u003csys/mman.h\u003e\n\n#define TEST_XFS_FILENAME\t\"/tmp/data\"\n#define TEST_SHMEM_FILENAME\t\"/dev/shm/data\"\n#define TEST_MEM_SIZE\t\t0x20000000\n\nint main(int argc, char **argv)\n{\n\tconst char *filename;\n\tint fd = 0;\n\tvoid *buf = (void *)-1, *p;\n\tint pgsize = getpagesize();\n\tint ret;\n\n\tif (pgsize != 0x10000) {\n\t\tfprintf(stderr, \"64KB base page size is required\\n\");\n\t\treturn -EPERM;\n\t}\n\n\tsystem(\"echo force \u003e /sys/kernel/mm/transparent_hugepage/shmem_enabled\");\n\tsystem(\"rm -fr /tmp/data\");\n\tsystem(\"rm -fr /dev/shm/data\");\n\tsystem(\"echo 1 \u003e /proc/sys/vm/drop_caches\");\n\n\t/* Open xfs or shmem file */\n\tfilename = TEST_XFS_FILENAME;\n\tif (argc \u003e 1 \u0026\u0026 !strcmp(argv[1], \"shmem\"))\n\t\tfilename = TEST_SHMEM_FILENAME;\n\n\tfd = open(filename, O_CREAT | O_RDWR | O_TRUNC);\n\tif (fd \u003c 0) {\n\t\tfprintf(stderr, \"Unable to open \u003c%s\u003e\\n\", filename);\n\t\treturn -EIO;\n\t}\n\n\t/* Extend file size */\n\tret = ftruncate(fd, TEST_MEM_SIZE);\n\tif (ret) {\n\t\tfprintf(stderr, \"Error %d to ftruncate()\\n\", ret);\n\t\tgoto cleanup;\n\t}\n\n\t/* Create VMA */\n\tbuf = mmap(NULL, TEST_MEM_SIZE,\n\t\t PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);\n\tif (buf == (void *)-1) {\n\t\tfprintf(stderr, \"Unable to mmap \u003c%s\u003e\\n\", filename);\n\t\tgoto cleanup;\n\t}\n\n\tfprintf(stdout, \"mapped buffer at 0x%p\\n\", buf);\n\tret = madvise(buf, TEST_MEM_SIZE, MADV_HUGEPAGE);\n if (ret) {\n\t\tfprintf(stderr, \"Unable to madvise(MADV_HUGEPAGE)\\n\");\n\t\tgoto cleanup;\n\t}\n\n\t/* Populate VMA */\n\tret = madvise(buf, TEST_MEM_SIZE, MADV_POPULATE_WRITE);\n\tif (ret) {\n\t\tfprintf(stderr, \"Error %d to madvise(MADV_POPULATE_WRITE)\\n\", ret);\n\t\tgoto cleanup;\n\t}\n\n\t/* Punch the file to enforce xarray split */\n\tret = fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE,\n \t\tTEST_MEM_SIZE - pgsize, pgsize);\n\tif (ret)\n\t\tfprintf(stderr, \"Error %d to fallocate()\\n\", ret);\n\ncleanup:\n\tif (buf != (void *)-1)\n\t\tmunmap(buf, TEST_MEM_SIZE);\n\tif (fd \u003e 0)\n\t\tclose(fd);\n\n\treturn 0;\n}\n\n# gcc test.c -o test\n# cat /proc/1/smaps | grep KernelPageSize | head -n 1\nKernelPageSize: 64 kB\n# ./test shmem\n :\n------------[ cut here ]------------\nWARNING: CPU: 17 PID: 5253 at lib/xarray.c:1025 xas_split_alloc+0xf8/0x128\nModules linked in: nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib \\\nnft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct \\\nnft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 \\\nip_set nf_tables rfkill nfnetlink vfat fat virtio_balloon \\\ndrm fuse xfs libcrc32c crct10dif_ce ghash_ce sha2_ce sha256_arm64 \\\nvirtio_net sha1_ce net_failover failover virtio_console virtio_blk \\\ndimlib virtio_mmio\nCPU: 17 PID: 5253 Comm: test Kdump: loaded Tainted: G W 6.10.0-rc5-gavin+ #12\nHardware name: QEMU KVM Virtual Machine, BIOS edk2-20240524-1.el9 05/24/2024\npstate: 83400005 (Nzcv daif +PAN -UAO +TC\n---truncated---"
}
],
"providerMetadata": {
"dateUpdated": "2026-05-11T20:28:34.361Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/a0c42ddd0969fdc760a85e20e267776028a7ca4e"
},
{
"url": "https://git.kernel.org/stable/c/333c5539a31f48828456aa9997ec2808f06a699a"
},
{
"url": "https://git.kernel.org/stable/c/099d90642a711caae377f53309abfe27e8724a8b"
}
],
"title": "mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2024-42243",
"datePublished": "2024-08-07T15:14:29.717Z",
"dateReserved": "2024-07-30T07:40:12.254Z",
"dateUpdated": "2026-05-11T20:28:34.361Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
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