CVE-2024-57902af_packet: fix vlan_get_tci() vs MSG_PEEK
Updated under an hour ago ()
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In the Linux kernel, the following vulnerability has been resolved: af_packet: fix vlan_get_tci() vs MSG_PEEK Blamed commit forgot MSG_PEEK case, allowing a crash [1] as found by syzbot. Rework vlan_get_tci() to not touch skb at all, so that it can be used from many cpus on the same skb. Add a const qualifier to skb argument. [1] skbuff: skb_under_panic: text:ffffffff8a8da482 len:32 put:14 head:ffff88807a1d5800 data:ffff88807a1d5810 tail:0x14 end:0x140 dev:<NULL> ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:206 ! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5880 Comm: syz-executor172 Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:skb_panic net/core/skbuff.c:206 [inline] RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216 Code: 0b 8d 48 c7 c6 9e 6c 26 8e 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 3a 5a 79 f7 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90003baf5b8 EFLAGS: 00010286 RAX: 0000000000000087 RBX: dffffc0000000000 RCX: 8565c1eec37aa000 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88802616fb50 R08: ffffffff817f0a4c R09: 1ffff92000775e50 R10: dffffc0000000000 R11: fffff52000775e51 R12: 0000000000000140 R13: ffff88807a1d5800 R14: ffff88807a1d5810 R15: 0000000000000014 FS: 00007fa03261f6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd65753000 CR3: 0000000031720000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> skb_push+0xe5/0x100 net/core/skbuff.c:2636 vlan_get_tci+0x272/0x550 net/packet/af_packet.c:565 packet_recvmsg+0x13c9/0x1ef0 net/packet/af_packet.c:3616 sock_recvmsg_nosec net/socket.c:1044 [inline] sock_recvmsg+0x22f/0x280 net/socket.c:1066 ____sys_recvmsg+0x1c6/0x480 net/socket.c:2814 ___sys_recvmsg net/socket.c:2856 [inline] do_recvmmsg+0x426/0xab0 net/socket.c:2951 __sys_recvmmsg net/socket.c:3025 [inline] __do_sys_recvmmsg net/socket.c:3048 [inline] __se_sys_recvmmsg net/socket.c:3041 [inline] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3041 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from c77064e76c768fb101ea5ff92dc771142fc9d8fd before 66ffb0cf2125dcf9e902eede4a43653a24fd9cb2; from 83e2dfadcb6258fe3111c8a8ec9cf34465e55e64 before fa57f07ba0622c8692f40e1300adca59277b0044; from d0a1f9aa70f0d8a05b6320e8a3f3b83adab8dac3 before 65c67049e9ed481f6b52264b39618b8c6dfb1d3e; from 5839f59ff1dd4e35b9e767927931a039484839e1 before d91b4a9baa018a001d5c884e236c0cfd31f9f4a1; from 5a041d25b67042cbe06a0fb292ee22fd1147e65c before 7aa78d0d8546d8ce5a764add3f55d72e707c18f1; from 79eecf631c14e7f4057186570ac20e2cfac3802e before b65292a548d847099a4fe0fff53122a06e798e25; 79eecf631c14e7f4057186570ac20e2cfac3802e builds before 77ee7a6d16b6ec07b5c3ae2b6b60a24c1afbed09; 3dfd84aa72fa7329ed4a257c8f40e0c9aff4dc8f; and 8 more ranges | CNA record |
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | before V1.1.1 | CISA ADP |
linux linux_kernel linux:linux_kernel | from 4.19.320 before 4.20; from 5.4.282 before 5.4.289; from 5.10.224 before 5.10.233; from 5.15.165 before 5.15.176; from 6.1.103 before 6.1.124; from 6.6.44 before 6.6.70; from 6.10.3 before 6.12.9; 6.13; and 4 more ranges | NVD |
References
- https://git.kernel.org/stable/c/66ffb0cf2125dcf9e902eede4a43653a24fd9cb2patch
- https://git.kernel.org/stable/c/fa57f07ba0622c8692f40e1300adca59277b0044patch
- https://git.kernel.org/stable/c/65c67049e9ed481f6b52264b39618b8c6dfb1d3epatch
- https://git.kernel.org/stable/c/d91b4a9baa018a001d5c884e236c0cfd31f9f4a1patch
- https://git.kernel.org/stable/c/7aa78d0d8546d8ce5a764add3f55d72e707c18f1patch
- https://git.kernel.org/stable/c/b65292a548d847099a4fe0fff53122a06e798e25patch
- https://git.kernel.org/stable/c/77ee7a6d16b6ec07b5c3ae2b6b60a24c1afbed09patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.