{"id":"CVE-2022-48740","state":"PUBLISHED","title":"selinux: fix double free of cond_list on error paths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: fix double free of cond_list on error paths\n\nOn error path from cond_read_list() and duplicate_policydb_cond_list()\nthe cond_list_destroy() gets called a second time in caller functions,\nresulting in NULL pointer deref.  Fix this by resetting the\ncond_list_len to 0 in cond_list_destroy(), making subsequent calls a\nnoop.\n\nAlso consistently reset the cond_list pointer to NULL after freeing.\n\n[PM: fix line lengths in the description]","publishedAt":"2024-06-20T11:13:25.346Z","updatedAt":"2026-05-11T18:46:00.420Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"f446089a268c8fc6908488e991d28a9b936293db","versionType":"git"},{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"70caa32e6d81f45f0702070c0e4dfe945e92fbd7","versionType":"git"},{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"7ed9cbf7ac0d4ed86b356e1b944304ae9ee450d4","versionType":"git"},{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"186edf7e368c40d06cf727a1ad14698ea67b74ad","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/selinux/ss/conditional.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.99","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.22","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.8","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/selinux/ss/conditional.c"]}],"references":["https://git.kernel.org/stable/c/f446089a268c8fc6908488e991d28a9b936293db","https://git.kernel.org/stable/c/70caa32e6d81f45f0702070c0e4dfe945e92fbd7","https://git.kernel.org/stable/c/7ed9cbf7ac0d4ed86b356e1b944304ae9ee450d4","https://git.kernel.org/stable/c/186edf7e368c40d06cf727a1ad14698ea67b74ad"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/48xxx/CVE-2022-48740.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48740","state":"PUBLISHED","datePublished":"2024-06-20T11:13:25.346Z","dateUpdated":"2026-05-11T18:46:00.420Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-06-20T11:09:39.054Z"},"containers":{"cna":{"title":"selinux: fix double free of cond_list on error paths","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: fix double free of cond_list on error paths\n\nOn error path from cond_read_list() and duplicate_policydb_cond_list()\nthe cond_list_destroy() gets called a second time in caller functions,\nresulting in NULL pointer deref.  Fix this by resetting the\ncond_list_len to 0 in cond_list_destroy(), making subsequent calls a\nnoop.\n\nAlso consistently reset the cond_list pointer to NULL after freeing.\n\n[PM: fix line lengths in the description]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"f446089a268c8fc6908488e991d28a9b936293db","versionType":"git"},{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"70caa32e6d81f45f0702070c0e4dfe945e92fbd7","versionType":"git"},{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"7ed9cbf7ac0d4ed86b356e1b944304ae9ee450d4","versionType":"git"},{"version":"60abd3181db29ea81742106cc0ac2e27fd05b418","status":"affected","lessThan":"186edf7e368c40d06cf727a1ad14698ea67b74ad","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/selinux/ss/conditional.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.99","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.22","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.8","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/selinux/ss/conditional.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f446089a268c8fc6908488e991d28a9b936293db"},{"url":"https://git.kernel.org/stable/c/70caa32e6d81f45f0702070c0e4dfe945e92fbd7"},{"url":"https://git.kernel.org/stable/c/7ed9cbf7ac0d4ed86b356e1b944304ae9ee450d4"},{"url":"https://git.kernel.org/stable/c/186edf7e368c40d06cf727a1ad14698ea67b74ad"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:46:00.420Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.16.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-20T16:02:52.249178Z","id":"CVE-2022-48740","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-27T18:17:10.641Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/f446089a268c8fc6908488e991d28a9b936293db","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/70caa32e6d81f45f0702070c0e4dfe945e92fbd7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7ed9cbf7ac0d4ed86b356e1b944304ae9ee450d4","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/186edf7e368c40d06cf727a1ad14698ea67b74ad","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T15:25:01.573Z"}}]}}}