{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-93245", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-93245", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-09-24T15:51:02.369Z", "updatedAt": "2026-10-19T09:07:57.662Z", "importedAt": "2026-10-24T01:58:35.090Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "apparmor: policy_int make sure list heads are initialized before fail path", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: policy_int make sure list heads are initialized before fail path\n\nIf profile create fails before policy_init is complete the list heads\nare not properly initialized causing profile_free() sanity checks to\ntrigger the following splat.\n\nAppArmor WARN aa_policy_destroy: (((!list_empty(&policy->profiles) && (&policy->profiles)->prev != ((void *) 0x122 + (0xdead000000000000UL))))):\nWARNING: security/apparmor/lib.c:509 at aa_policy_destroy+0x164/0x1b0 security/apparmor/lib.c:509, CPU#0: syz.0.17/5541\nModules linked in:\nCPU: 0 UID: 0 PID: 5541 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:aa_policy_destroy+0x16b/0x1b0 security/apparmor/lib.c:509\nCode: 85 ed 7e 4d e8 96 bc 37 fd 5b 41 5c 41 5e 41 5f 5d e9 19 27 4e 07 cc e8 83 bc 37 fd 48 8d 3d 0c f0 d3 0b 48 c7 c6 a4 eb 38 8e <67> 48 0f b9 3a e9 04 ff ff ff e8 66 bc 37 fd 48 8d 3d ff ef d3 0b\nRSP: 0018:ffffc9000345eaa0 EFLAGS: 00010293\nRAX: ffffffff848f530d RBX: ffff88803f734800 RCX: ffff88801af2a580\nRDX: 0000000000000000 RSI: ffffffff8e38eba4 RDI: ffffffff90634320\nRBP: 0000000000000000 R08: 0000000000000cc0 R09: 00000000ffffffff\nR10: dffffc0000000000 R11: fffffbfff1d95913 R12: dead000000000122\nR13: ffff88803f734800 R14: ffff88803f734828 R15: dffffc0000000000\nFS: 00007f5f6a1836c0(0000) GS:ffff88808c519000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000055d02407b048 CR3: 0000000012aa9000 CR4: 0000000000352ef0\nCall Trace:\n \n aa_free_profile+0x9d/0x9f0 security/apparmor/policy.c:334\n aa_alloc_profile+0x1e4/0x3e0 security/apparmor/policy.c:416\n unpack_profile security/apparmor/policy_unpack.c:1153 [inline]\n aa_unpack+0x17db/0x7430 security/apparmor/policy_unpack.c:1748\n aa_replace_profiles+0x226/0x2a20 security/apparmor/policy.c:1183\n policy_update+0x234/0x4a0 security/apparmor/apparmorfs.c:505\n profile_load+0x1cb/0x320 security/apparmor/apparmorfs.c:522\n vfs_write+0x296/0xba0 fs/read_write.c:685\n ksys_write+0x150/0x270 fs/read_write.c:739\n do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]\n do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f5f6939e0d9\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f5f6a183028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 00007f5f69625fa0 RCX: 00007f5f6939e0d9\nRDX: 0000000000000041 RSI: 0000200000000400 RDI: 0000000000000003\nRBP: 00007f5f6a183090 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001\nR13: 00007f5f69626038 R14: 00007f5f69625fa0 R15: 00007ffe23725c18", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "88ba930e7d0586ca2700757249f1e6fc0bbab0fc" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "ee017ef9aa2cf20d85d4a20c09ef3db9fb240310" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "62f159fac76468dbbfd977f4f18472d4a01e8d74" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "0664c75afe87a1d7d4f4e1d7eecf50ad829fb6e8" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "4a09a5e6512a3792c78ae8e3ca79cb55a11eed57" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "5449f715f24e86648f8cc8fba8d97ff6b5d04981" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "dd52ab1c5436be86f5b8ca118fa8e5d61d63ffed" }, { "version": "fe6bb31f590c9cd9c8d3ddbdfd4301f72db91718", "status": "affected", "versionType": "git", "lessThan": "3daad923a8685adb66087e0d819559b7eb6ba975" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.11", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.11" }, { "version": "5.10.270", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.221", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.188", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.157", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.110", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.52", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "7.2.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "7.2.*" }, { "version": "7.3", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }