{"api_version":"1","generated_at":"2026-07-20T14:42:30+00:00","cve":"CVE-2026-64111","urls":{"html":"https://cve.report/CVE-2026-64111","api":"https://cve.report/api/cve/CVE-2026-64111.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64111","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64111"},"summary":{"title":"lsm: hold cred_guard_mutex for lsm_set_self_attr()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlsm: hold cred_guard_mutex for lsm_set_self_attr()\n\nJust as proc_pid_attr_write() already does before calling the LSM\nhook. This only matters for SELinux and AppArmor which check\nwhether the process is being ptraced and if so, whether to\nallow the transition.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:52","updated_at":"2026-07-20 07:16:41"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4a9b16541ad3faf8bccb398532bf3f8b6bbf1188","name":"https://git.kernel.org/stable/c/4a9b16541ad3faf8bccb398532bf3f8b6bbf1188","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/82d3acee88593e3d9e71cad4b7d6b3cf70de9d07","name":"https://git.kernel.org/stable/c/82d3acee88593e3d9e71cad4b7d6b3cf70de9d07","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5b906f31e977286888a9e31282589b545b249139","name":"https://git.kernel.org/stable/c/5b906f31e977286888a9e31282589b545b249139","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a010cadaf5727b8417f62fe9021fcef14a5f9b51","name":"https://git.kernel.org/stable/c/a010cadaf5727b8417f62fe9021fcef14a5f9b51","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64111","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64111","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a04a1198088a1378d0389c250cc684f649bcc91e 82d3acee88593e3d9e71cad4b7d6b3cf70de9d07 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a04a1198088a1378d0389c250cc684f649bcc91e 5b906f31e977286888a9e31282589b545b249139 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a04a1198088a1378d0389c250cc684f649bcc91e a010cadaf5727b8417f62fe9021fcef14a5f9b51 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a04a1198088a1378d0389c250cc684f649bcc91e 4a9b16541ad3faf8bccb398532bf3f8b6bbf1188 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/lsm_syscalls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"82d3acee88593e3d9e71cad4b7d6b3cf70de9d07","status":"affected","version":"a04a1198088a1378d0389c250cc684f649bcc91e","versionType":"git"},{"lessThan":"5b906f31e977286888a9e31282589b545b249139","status":"affected","version":"a04a1198088a1378d0389c250cc684f649bcc91e","versionType":"git"},{"lessThan":"a010cadaf5727b8417f62fe9021fcef14a5f9b51","status":"affected","version":"a04a1198088a1378d0389c250cc684f649bcc91e","versionType":"git"},{"lessThan":"4a9b16541ad3faf8bccb398532bf3f8b6bbf1188","status":"affected","version":"a04a1198088a1378d0389c250cc684f649bcc91e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["security/lsm_syscalls.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.92","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlsm: hold cred_guard_mutex for lsm_set_self_attr()\n\nJust as proc_pid_attr_write() already does before calling the LSM\nhook. This only matters for SELinux and AppArmor which check\nwhether the process is being ptraced and if so, whether to\nallow the transition."}],"providerMetadata":{"dateUpdated":"2026-07-20T06:41:48.511Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/82d3acee88593e3d9e71cad4b7d6b3cf70de9d07"},{"url":"https://git.kernel.org/stable/c/5b906f31e977286888a9e31282589b545b249139"},{"url":"https://git.kernel.org/stable/c/a010cadaf5727b8417f62fe9021fcef14a5f9b51"},{"url":"https://git.kernel.org/stable/c/4a9b16541ad3faf8bccb398532bf3f8b6bbf1188"}],"title":"lsm: hold cred_guard_mutex for lsm_set_self_attr()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64111","datePublished":"2026-07-19T15:40:13.007Z","dateReserved":"2026-07-19T07:54:57.035Z","dateUpdated":"2026-07-20T06:41:48.511Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:52","lastModifiedDate":"2026-07-20 07:16:41","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64111","Ordinal":"1","Title":"lsm: hold cred_guard_mutex for lsm_set_self_attr()","CVE":"CVE-2026-64111","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64111","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nlsm: hold cred_guard_mutex for lsm_set_self_attr()\n\nJust as proc_pid_attr_write() already does before calling the LSM\nhook. This only matters for SELinux and AppArmor which check\nwhether the process is being ptraced and if so, whether to\nallow the transition.","Type":"Description","Title":"lsm: hold cred_guard_mutex for lsm_set_self_attr()"}]}}}