{"id":"CVE-2025-68378","state":"PUBLISHED","title":"bpf: Fix stackmap overflow check in __bpf_get_stackid()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix stackmap overflow check in __bpf_get_stackid()\n\nSyzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid()\nwhen copying stack trace data. The issue occurs when the perf trace\n contains more stack entries than the stack map bucket can hold,\n leading to an out-of-bounds write in the bucket's data array.","publishedAt":"2025-12-24T10:33:06.859Z","updatedAt":"2026-10-30T12:23:15.844Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"03fe4c886667b3a09b9d6afc03bbc68afb35c82b","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"d6028caa0ee39dccd005468adfa3223b92bd3ad3","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"d1f424a77b6bd27b361737ed73df49a0158f1590","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"2a008f6de163279deffd488c1deab081bce5667c","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"4669a8db976c8cbd5427fe9945f12c5fa5168ff3","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"23f852daa4bab4d579110e034e4d513f7d490846","versionType":"git"},{"version":"90805175a206f784b6a77f16f07b07f6803e286b","status":"affected","versionType":"git"},{"version":"398ac11f4425d1e52aaf0d05d4fc90524e1a5b5e","status":"affected","versionType":"git"},{"version":"e750f78c4ed7cefbcefb9769b3b9e08033db39da","status":"affected","versionType":"git"},{"version":"6c4f243b58f5362e983386488b2d563764c567af","status":"affected","versionType":"git"},{"version":"5.10.110","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.33","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"5.16.19","status":"affected","lessThan":"5.17","versionType":"semver"},{"version":"5.17.2","status":"affected","lessThan":"5.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/stackmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.63","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.13","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18.2","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/stackmap.c"]}],"references":["https://git.kernel.org/stable/c/03fe4c886667b3a09b9d6afc03bbc68afb35c82b","https://git.kernel.org/stable/c/d6028caa0ee39dccd005468adfa3223b92bd3ad3","https://git.kernel.org/stable/c/d1f424a77b6bd27b361737ed73df49a0158f1590","https://git.kernel.org/stable/c/2a008f6de163279deffd488c1deab081bce5667c","https://git.kernel.org/stable/c/4669a8db976c8cbd5427fe9945f12c5fa5168ff3","https://git.kernel.org/stable/c/23f852daa4bab4d579110e034e4d513f7d490846"],"weaknesses":[],"ingestedAt":"2026-10-30T12:40:04.423Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68378.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68378","state":"PUBLISHED","datePublished":"2025-12-24T10:33:06.859Z","dateUpdated":"2026-10-30T12:23:15.844Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T14:48:05.311Z"},"containers":{"cna":{"title":"bpf: Fix stackmap overflow check in __bpf_get_stackid()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix stackmap overflow check in __bpf_get_stackid()\n\nSyzkaller reported a KASAN slab-out-of-bounds write in __bpf_get_stackid()\nwhen copying stack trace data. The issue occurs when the perf trace\n contains more stack entries than the stack map bucket can hold,\n leading to an out-of-bounds write in the bucket's data array."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"03fe4c886667b3a09b9d6afc03bbc68afb35c82b","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"d6028caa0ee39dccd005468adfa3223b92bd3ad3","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"d1f424a77b6bd27b361737ed73df49a0158f1590","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"2a008f6de163279deffd488c1deab081bce5667c","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"4669a8db976c8cbd5427fe9945f12c5fa5168ff3","versionType":"git"},{"version":"ee2a098851bfbe8bcdd964c0121f4246f00ff41e","status":"affected","lessThan":"23f852daa4bab4d579110e034e4d513f7d490846","versionType":"git"},{"version":"90805175a206f784b6a77f16f07b07f6803e286b","status":"affected","versionType":"git"},{"version":"398ac11f4425d1e52aaf0d05d4fc90524e1a5b5e","status":"affected","versionType":"git"},{"version":"e750f78c4ed7cefbcefb9769b3b9e08033db39da","status":"affected","versionType":"git"},{"version":"6c4f243b58f5362e983386488b2d563764c567af","status":"affected","versionType":"git"},{"version":"5.10.110","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.33","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"5.16.19","status":"affected","lessThan":"5.17","versionType":"semver"},{"version":"5.17.2","status":"affected","lessThan":"5.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/stackmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.63","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.13","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18.2","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/stackmap.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/03fe4c886667b3a09b9d6afc03bbc68afb35c82b"},{"url":"https://git.kernel.org/stable/c/d6028caa0ee39dccd005468adfa3223b92bd3ad3"},{"url":"https://git.kernel.org/stable/c/d1f424a77b6bd27b361737ed73df49a0158f1590"},{"url":"https://git.kernel.org/stable/c/2a008f6de163279deffd488c1deab081bce5667c"},{"url":"https://git.kernel.org/stable/c/4669a8db976c8cbd5427fe9945f12c5fa5168ff3"},{"url":"https://git.kernel.org/stable/c/23f852daa4bab4d579110e034e4d513f7d490846"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:23:15.844Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.17.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}