{"id":"CVE-2026-72299","revision":null,"records":[{"revision":"5198e07c3c7442989cbf6b09e7df0a69","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72299","aliases":[],"title":"tipc: restrict socket queue dumps in enqueue tracepoints","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: restrict socket queue dumps in enqueue tracepoints\n\ntipc_sk_enqueue() runs with sk->sk_lock.slock held while the socket is\nowned by user context. The spinlock protects the backlog queue in this\npath, but it does not serialize against the socket owner consuming or\npurging sk_receive_queue.\n\nKASAN reported:\n\n CPU: 14 UID: 0 PID: 1050 Comm: tipc3 Not tainted 7.1.0-rc6+ #126 PREEMPT(lazy)\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n Call Trace:\n \n dump_stack_lvl+0x76/0xa0 lib/dump_stack.c:123\n print_report+0xce/0x5b0 mm/kasan/report.c:482\n kasan_report+0xc6/0x100 mm/kasan/report.c:597\n __asan_report_load4_noabort+0x14/0x30 mm/kasan/report_generic.c:380\n tipc_skb_dump+0x1327/0x16f0 net/tipc/trace.c:73\n tipc_list_dump+0x208/0x2e0 net/tipc/trace.c:187\n tipc_sk_dump+0xaf6/0xd60 net/tipc/socket.c:3996\n trace_event_raw_event_tipc_sk_class+0x312/0x5a0 net/tipc/trace.h:188\n tipc_sk_rcv+0xb1d/0x1d50 net/tipc/socket.c:2497\n tipc_node_xmit+0x1c3/0x1440 net/tipc/node.c:1689\n __tipc_sendmsg+0x97a/0x1440 net/tipc/socket.c:1512\n tipc_sendmsg+0x52/0x80 net/tipc/socket.c:1400\n sock_sendmsg+0x2f6/0x3e0 net/socket.c:825\n splice_to_socket+0x7f9/0x1010 fs/splice.c:884\n do_splice+0xe21/0x2330 fs/splice.c:936\n __do_splice+0x153/0x260 fs/splice.c:1431\n __x64_sys_splice+0x150/0x230 fs/splice.c:1616\n x64_sys_call+0xeb5/0x2790 arch/x86/entry/syscall_64.c:41\n do_syscall_64+0xf3/0x620 arch/x86/entry/syscall_64.c:63\n entry_SYSCALL_64_after_hwframe+0x76/0x7e arch/x86/entry/entry_64.S:130\n RIP: 0033:0x71624e8aafe2\n Code: 08 0f 85 71 3a ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 66\n RSP: 002b:0000716157ffed68 EFLAGS: 00000246 ORIG_RAX: 0000000000000113\n RAX: ffffffffffffffda RBX: 0000716157fff6c0 RCX: 000071624e8aafe2\n RDX: 000000000000005f RSI: 0000000000000000 RDI: 0000000000000066\n RBP: 0000716157ffed90 R08: 0000000000008000 R09: 0000000000000001\n R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffff00\n R13: 0000000000000021 R14: 0000000000000000 R15: 00007fff89799c40\n \n\nThe TIPC_DUMP_ALL tracepoints in tipc_sk_enqueue() also dump\nsk_receive_queue and can therefore dereference skbs that the socket\nowner has already dequeued or freed. Restrict these dumps to\nTIPC_DUMP_SK_BKLGQ, which matches the queue protected by the held\nspinlock.\n\nKeep the change limited to the enqueue path, where the unsafe queue dump\nis reachable while the socket is owned by user context.","state":0,"publishedAt":"2026-08-15T05:55:19.147+00:00","modifiedAt":"2026-10-16T18:55:15.859+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/tipc/socket.c\"\n ],\n \"versions\": [\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"ae5d0d9ce767b20a5580bb6dc5e06f3e1b8a0fb0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"273ff83c49b82e4267373adbe629e6ee8aeaa16c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"258fb15b30db4f3941ab335d5e02f744baf1da54\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"12876864f9de5fa6f611a30c6c17e405a773bf0a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"b9e100815f4b55e9ccaf6af9a3aba173eb13d381\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"61a55fa24a5d737436018764a647fe5b6cb36371\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"6acbbe54215d5f4251593000cff2bf51d6748713\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"01e661ebfbad40e6280fb8ec25f2861d39ba4387\",\n \"lessThan\": \"acd7df8d955480a6f6e5bb809da67b1500cc3cf4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/tipc/socket.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.0\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.0\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.266\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.217\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.184\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.148\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.101\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.40\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/ae5d0d9ce767b20a5580bb6dc5e06f3e1b8a0fb0","https://git.kernel.org/stable/c/273ff83c49b82e4267373adbe629e6ee8aeaa16c","https://git.kernel.org/stable/c/258fb15b30db4f3941ab335d5e02f744baf1da54","https://git.kernel.org/stable/c/12876864f9de5fa6f611a30c6c17e405a773bf0a","https://git.kernel.org/stable/c/b9e100815f4b55e9ccaf6af9a3aba173eb13d381","https://git.kernel.org/stable/c/61a55fa24a5d737436018764a647fe5b6cb36371","https://git.kernel.org/stable/c/6acbbe54215d5f4251593000cff2bf51d6748713","https://git.kernel.org/stable/c/acd7df8d955480a6f6e5bb809da67b1500cc3cf4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72299","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72299","identifiers":["CVE-2026-72299"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T09:04:02.9162191+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T09:04:02.9162191+00:00","lastSuccessAt":"2026-11-09T09:04:03.197028+00:00","error":null,"lastVerifiedAt":"2026-11-09T09:04:03.1970284+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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