{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53367", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.400Z", "datePublished": "2026-07-19T09:10:28.879Z", "dateUpdated": "2026-07-19T09:10:28.879Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T09:10:28.879Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: fix avdcache auditing\n\nThe per-task avdcache was incorrectly saving and reusing the\naudited vector computed by avc_audit_required() rather than\nrecomputing based on the currently requested permissions and\ndistinguishing the denied versus allowed cases. As a result,\nsome permission checks were not being audited, e.g.\ndirectory write checks after a previously cached directory\nsearch check.\n\n[PM: line wrap tweaks]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/selinux/hooks.c", "security/selinux/include/objsec.h"], "versions": [{"version": "dde3a5d0f4dce1d1a6095e6b8eeb59b75d28fb3b", "lessThan": "e3e722ea88e051ae5361dc540c01ba18f87b5ffd", "status": "affected", "versionType": "git"}, {"version": "dde3a5d0f4dce1d1a6095e6b8eeb59b75d28fb3b", "lessThan": "bce6a32bc888dfebb6a7d4dee454228b71ed8369", "status": "affected", "versionType": "git"}, {"version": "dde3a5d0f4dce1d1a6095e6b8eeb59b75d28fb3b", "lessThan": "f92d542577db878acfd21cc18dab23d03023b217", "status": "affected", "versionType": "git"}, {"version": "21879b76831fab52f6a615c531f86412c8d3c827", "status": "affected", "versionType": "git"}, {"version": "6.17.10", "lessThan": "6.18", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/selinux/hooks.c", "security/selinux/include/objsec.h"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17.10"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e3e722ea88e051ae5361dc540c01ba18f87b5ffd"}, {"url": "https://git.kernel.org/stable/c/bce6a32bc888dfebb6a7d4dee454228b71ed8369"}, {"url": "https://git.kernel.org/stable/c/f92d542577db878acfd21cc18dab23d03023b217"}], "title": "selinux: fix avdcache auditing", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: selinux: fix avdcache auditing", "id": "2502178", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502178"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-778", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nselinux: fix avdcache auditing\nThe per-task avdcache was incorrectly saving and reusing the\naudited vector computed by avc_audit_required() rather than\nrecomputing based on the currently requested permissions and\ndistinguishing the denied versus allowed cases. As a result,\nsome permission checks were not being audited, e.g.\ndirectory write checks after a previously cached directory\nsearch check.\n[PM: line wrap tweaks]", "A flaw was found in the Linux kernel's Security-Enhanced Linux (SELinux) subsystem. The per-task avdcache (access vector cache) incorrectly stored and reused auditing information. This prevented some critical security permission checks, such as directory write operations, from being properly audited. As a result, an attacker could potentially perform actions without them being recorded in the system's audit logs, leading to a security bypass of auditing mechanisms."], "name": "CVE-2026-53367", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53367\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53367\nhttps://lore.kernel.org/linux-cve-announce/2026071915-CVE-2026-53367-b8b1@gregkh/T"], "threat_severity": "Low"}

{}