CVE-2024-57902af_packet: fix vlan_get_tci() vs MSG_PEEK

Description

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

Timeline

Scores

EPSS (exploitation in 30 days)

0.27% · top 80% of all CVEs (14 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.

Affected products

• Linux · Linux

  • affected c77064e76c768fb101ea5ff92dc771142fc9d8fd – < 66ffb0cf2125dcf9e902eede4a43653a24fd9cb2
  • affected 83e2dfadcb6258fe3111c8a8ec9cf34465e55e64 – < fa57f07ba0622c8692f40e1300adca59277b0044
  • affected d0a1f9aa70f0d8a05b6320e8a3f3b83adab8dac3 – < 65c67049e9ed481f6b52264b39618b8c6dfb1d3e
  • affected 5839f59ff1dd4e35b9e767927931a039484839e1 – < d91b4a9baa018a001d5c884e236c0cfd31f9f4a1
  • affected 5a041d25b67042cbe06a0fb292ee22fd1147e65c – < 7aa78d0d8546d8ce5a764add3f55d72e707c18f1
  • affected 79eecf631c14e7f4057186570ac20e2cfac3802e – < b65292a548d847099a4fe0fff53122a06e798e25
  • affected 79eecf631c14e7f4057186570ac20e2cfac3802e – < 77ee7a6d16b6ec07b5c3ae2b6b60a24c1afbed09
  • affected 3dfd84aa72fa7329ed4a257c8f40e0c9aff4dc8f
  • affected 66f23a7b5174b5d3e7111fd2d0d5a4f3faaa12e5
  • affected 5.4.282 – < 5.4.289
  • affected 5.10.224 – < 5.10.233
  • affected 5.15.165 – < 5.15.176
  • affected 6.1.103 – < 6.1.124
  • affected 6.6.44 – < 6.6.70
  • affected 4.19.320 – < 4.20
  • affected 6.10.3 – < 6.11

• Linux · Linux

  • affected 6.11
  • unaffected < 6.11
  • unaffected 5.4.289 – ≤ 5.4.*
  • unaffected 5.10.233 – ≤ 5.10.*
  • unaffected 5.15.176 – ≤ 5.15.*
  • unaffected 6.1.124 – ≤ 6.1.*
  • unaffected 6.6.70 – ≤ 6.6.*
  • unaffected 6.12.9 – ≤ 6.12.*
  • unaffected 6.13 – ≤ *

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• EUVD EUVD-2024-53805 (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-57902](https://cveledger.app/badge/CVE-2024-57902.svg)](https://cveledger.app/cve/CVE-2024-57902)

Record last updated 15 Oct 2026, 01:00 UTC.