{"id":"CVE-2024-57902","summary":"af_packet: fix vlan_get_tci() vs MSG_PEEK","details":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_packet: fix vlan_get_tci() vs MSG_PEEK\n\nBlamed commit forgot MSG_PEEK case, allowing a crash [1] as found\nby syzbot.\n\nRework vlan_get_tci() to not touch skb at all,\nso that it can be used from many cpus on the same skb.\n\nAdd a const qualifier to skb argument.\n\n[1]\nskbuff: skb_under_panic: text:ffffffff8a8da482 len:32 put:14 head:ffff88807a1d5800 data:ffff88807a1d5810 tail:0x14 end:0x140 dev:\u003cNULL\u003e\n------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:206 !\nOops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 0 UID: 0 PID: 5880 Comm: syz-executor172 Not tainted 6.13.0-rc3-syzkaller-00762-g9268abe611b0 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n RIP: 0010:skb_panic net/core/skbuff.c:206 [inline]\n RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:216\nCode: 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 \u003c0f\u003e 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3\nRSP: 0018:ffffc90003baf5b8 EFLAGS: 00010286\nRAX: 0000000000000087 RBX: dffffc0000000000 RCX: 8565c1eec37aa000\nRDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000\nRBP: ffff88802616fb50 R08: ffffffff817f0a4c R09: 1ffff92000775e50\nR10: dffffc0000000000 R11: fffff52000775e51 R12: 0000000000000140\nR13: ffff88807a1d5800 R14: ffff88807a1d5810 R15: 0000000000000014\nFS:  00007fa03261f6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ffd65753000 CR3: 0000000031720000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n  skb_push+0xe5/0x100 net/core/skbuff.c:2636\n  vlan_get_tci+0x272/0x550 net/packet/af_packet.c:565\n  packet_recvmsg+0x13c9/0x1ef0 net/packet/af_packet.c:3616\n  sock_recvmsg_nosec net/socket.c:1044 [inline]\n  sock_recvmsg+0x22f/0x280 net/socket.c:1066\n  ____sys_recvmsg+0x1c6/0x480 net/socket.c:2814\n  ___sys_recvmsg net/socket.c:2856 [inline]\n  do_recvmmsg+0x426/0xab0 net/socket.c:2951\n  __sys_recvmmsg net/socket.c:3025 [inline]\n  __do_sys_recvmmsg net/socket.c:3048 [inline]\n  __se_sys_recvmmsg net/socket.c:3041 [inline]\n  __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3041\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83","modified":"2026-04-02T12:25:22.695734Z","published":"2025-01-15T13:05:58.296Z","related":["ALSA-2025:20095","MGASA-2025-0030","MGASA-2025-0032","USN-7379-2","USN-7380-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57902.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/65c67049e9ed481f6b52264b39618b8c6dfb1d3e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/66ffb0cf2125dcf9e902eede4a43653a24fd9cb2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77ee7a6d16b6ec07b5c3ae2b6b60a24c1afbed09"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7aa78d0d8546d8ce5a764add3f55d72e707c18f1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b65292a548d847099a4fe0fff53122a06e798e25"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d91b4a9baa018a001d5c884e236c0cfd31f9f4a1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa57f07ba0622c8692f40e1300adca59277b0044"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57902.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-57902"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c77064e76c768fb101ea5ff92dc771142fc9d8fd"},{"fixed":"66ffb0cf2125dcf9e902eede4a43653a24fd9cb2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"83e2dfadcb6258fe3111c8a8ec9cf34465e55e64"},{"fixed":"fa57f07ba0622c8692f40e1300adca59277b0044"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d0a1f9aa70f0d8a05b6320e8a3f3b83adab8dac3"},{"fixed":"65c67049e9ed481f6b52264b39618b8c6dfb1d3e"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5839f59ff1dd4e35b9e767927931a039484839e1"},{"fixed":"d91b4a9baa018a001d5c884e236c0cfd31f9f4a1"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5a041d25b67042cbe06a0fb292ee22fd1147e65c"},{"fixed":"7aa78d0d8546d8ce5a764add3f55d72e707c18f1"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"79eecf631c14e7f4057186570ac20e2cfac3802e"},{"fixed":"b65292a548d847099a4fe0fff53122a06e798e25"},{"fixed":"77ee7a6d16b6ec07b5c3ae2b6b60a24c1afbed09"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"3dfd84aa72fa7329ed4a257c8f40e0c9aff4dc8f"},{"last_affected":"66f23a7b5174b5d3e7111fd2d0d5a4f3faaa12e5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-57902.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}