{"schema":"threatline.record/2","record":{"id":"CVE-2026-98384","aliases":[],"summary":"bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destroy()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destroy()\n\nsk_protocol lives in struct sock, not in struct sock_common. A timewait\nor request sock handed to bpf_sock_destroy() by the tcp iterator is\nneither, so reading sk->sk_protocol runs past the object:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in bpf_sock_destroy+0xc7/0xe0\nRead of size 2 at addr ffff8881047d11b4 by task test_progs/428\n\nTainted: [W]=WARN\nCall Trace:\n <TASK>\n dump_stack_lvl+0x91/0xf0\n print_report+0xd1/0x630\n kasan_report+0xf3/0x130\n __asan_report_load2_noabort+0x14/0x30\n bpf_sock_destroy+0xc7/0xe0\n bpf_prog_c3dd61f9d9cd9f37_iter_tcp6_timewait+0x9f/0xb7\n bpf_iter_run_prog+0x538/0xde0\n bpf_iter_tcp_seq_show+0x26b/0x4b0\n bpf_seq_read+0x424/0x1210\n vfs_read+0x197/0xe40\n ksys_read+0x119/0x240\n __x64_sys_read+0x72/0xc0\n x64_sys_call+0x647/0x27e0\n do_syscall_64+0xe5/0x610\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nOnly check sk_protocol on full socks. tcp_abort() already knows how to\ndeal with TIME_WAIT and NEW_SYN_RECV socks. Also fix the comment, it\nnever matched the code.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","source_modified_at":"2026-10-19T09:18:35.149Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"4ddbcb886268af8d12a23e6640b39d1d9c652b1b","lessThan":"5b4eb82475ae17d55974235c09e97044829426a8","status":"affected","versionType":"git"},{"version":"4ddbcb886268af8d12a23e6640b39d1d9c652b1b","lessThan":"a9651704c6fd64590b5ad4fbe7c3768accf95993","status":"affected","versionType":"git"},{"version":"4ddbcb886268af8d12a23e6640b39d1d9c652b1b","lessThan":"91a482a81eabddebf5430cbbdf12027e1a91b767","status":"affected","versionType":"git"},{"version":"4ddbcb886268af8d12a23e6640b39d1d9c652b1b","lessThan":"2534a5e5d360c2b10203cfa80f4ab9d021e48f2f","status":"affected","versionType":"git"},{"version":"4ddbcb886268af8d12a23e6640b39d1d9c652b1b","lessThan":"01b245ba016d44861690594e10f67e026ce8552f","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","source_modified_at":"2026-10-19T09:18:35.149Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.5","status":"affected"},{"version":"0","lessThan":"6.5","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","source_modified_at":"2026-10-19T09:18:35.149Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"5b4eb82475ae17d55974235c09e97044829426a8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","source_modified_at":"2026-10-19T09:18:35.149Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"91a482a81eabddebf5430cbbdf12027e1a91b767","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","source_modified_at":"2026-10-19T09:18:35.149Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"2534a5e5d360c2b10203cfa80f4ab9d021e48f2f","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","source_modified_at":"2026-10-19T09:18:35.149Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"01b245ba016d44861690594e10f67e026ce8552f","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00156,"percentile":0.04398,"score_date":"2026-10-23"},"published_at":"2026-10-09T07:34:23.097Z","modified_at":"2026-10-19T09:18:35.149Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98384","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:18:35.149Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98384","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/5b4eb82475ae17d55974235c09e97044829426a8"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/a9651704c6fd64590b5ad4fbe7c3768accf95993"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/91a482a81eabddebf5430cbbdf12027e1a91b767"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/2534a5e5d360c2b10203cfa80f4ab9d021e48f2f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/01b245ba016d44861690594e10f67e026ce8552f"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:18:35.149Z","content_hash":"00f9621cd57441037a7f1cb4b1d3b395da8e79163e35558d1f8762f81044ebb9"}}