{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50077", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.408Z", "datePublished": "2025-06-18T11:02:20.318Z", "dateUpdated": "2025-06-18T11:02:20.318Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:02:20.318Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix reference count leak in aa_pivotroot()\n\nThe aa_pivotroot() function has a reference counting bug in a specific\npath. When aa_replace_current_label() returns on success, the function\nforgets to decrement the reference count of \u201ctarget\u201d, which is\nincreased earlier by build_pivotroot(), causing a reference leak.\n\nFix it by decreasing the refcount of \u201ctarget\u201d in that path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/apparmor/mount.c"], "versions": [{"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "d53194707d2a1851be027cd74266b96ceff799d3", "status": "affected", "versionType": "git"}, {"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "f4d5c7796571624e3f380b447ada52834270a287", "status": "affected", "versionType": "git"}, {"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "ef6fb6f0d0d8440595b45a7e53c6162c737177f4", "status": "affected", "versionType": "git"}, {"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "2ceeb3296e9dde1d5772348046affcefdea605e2", "status": "affected", "versionType": "git"}, {"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "64103ea357734b82384c925cba4758fdb909be0c", "status": "affected", "versionType": "git"}, {"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "3ca40ad7afae144169a43988ef1a3f16182faf0a", "status": "affected", "versionType": "git"}, {"version": "2ea3ffb7782a84da33a8382f13ebd016da50079b", "lessThan": "11c3627ec6b56c1525013f336f41b79a983b4d46", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/apparmor/mount.c"], "versions": [{"version": "4.14", "status": "affected"}, {"version": "0", "lessThan": "4.14", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.291", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.256", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.211", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.138", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.63", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.4", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "4.14", "versionEndExcluding": "4.14.291"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "4.19.256"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.4.211"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.10.138"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.15.63"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d53194707d2a1851be027cd74266b96ceff799d3"}, {"url": "https://git.kernel.org/stable/c/f4d5c7796571624e3f380b447ada52834270a287"}, {"url": "https://git.kernel.org/stable/c/ef6fb6f0d0d8440595b45a7e53c6162c737177f4"}, {"url": "https://git.kernel.org/stable/c/2ceeb3296e9dde1d5772348046affcefdea605e2"}, {"url": "https://git.kernel.org/stable/c/64103ea357734b82384c925cba4758fdb909be0c"}, {"url": "https://git.kernel.org/stable/c/3ca40ad7afae144169a43988ef1a3f16182faf0a"}, {"url": "https://git.kernel.org/stable/c/11c3627ec6b56c1525013f336f41b79a983b4d46"}], "title": "apparmor: fix reference count leak in aa_pivotroot()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix reference count leak in aa_pivotroot()\n\nThe aa_pivotroot() function has a reference counting bug in a specific\npath. When aa_replace_current_label() returns on success, the function\nforgets to decrement the reference count of \u201ctarget\u201d, which is\nincreased earlier by build_pivotroot(), causing a reference leak.\n\nFix it by decreasing the refcount of \u201ctarget\u201d in that path."}], "id": "CVE-2022-50077", "lastModified": "2025-06-18T13:47:40.833", "metrics": {}, "published": "2025-06-18T11:15:36.627", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11c3627ec6b56c1525013f336f41b79a983b4d46"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ceeb3296e9dde1d5772348046affcefdea605e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ca40ad7afae144169a43988ef1a3f16182faf0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/64103ea357734b82384c925cba4758fdb909be0c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d53194707d2a1851be027cd74266b96ceff799d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef6fb6f0d0d8440595b45a7e53c6162c737177f4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f4d5c7796571624e3f380b447ada52834270a287"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: apparmor: fix reference count leak in aa_pivotroot()", "id": "2373638", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373638"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\napparmor: fix reference count leak in aa_pivotroot()\nThe aa_pivotroot() function has a reference counting bug in a specific\npath. When aa_replace_current_label() returns on success, the function\nforgets to decrement the reference count of \u201ctarget\u201d, which is\nincreased earlier by build_pivotroot(), causing a reference leak.\nFix it by decreasing the refcount of \u201ctarget\u201d in that path."], "name": "CVE-2022-50077", "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": "Not affected", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50077\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50077\nhttps://lore.kernel.org/linux-cve-announce/2025061855-CVE-2022-50077-a544@gregkh/T"], "threat_severity": "Low"}