{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80757", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.791Z", "datePublished": "2026-09-03T08:26:35.005Z", "dateUpdated": "2026-09-03T08:26:35.005Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-03T08:26:35.005Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: reject a class permission count below its inherited common\n\nsecurity_get_permissions() maps an inherited common's permissions into\nan array sized by the class's own permissions.nprim, but class_read()\ntakes that nprim verbatim from the policy image and never checks that it\ncovers the common. A class that inherits a common of N permissions while\ndeclaring a smaller nprim is accepted, and on load the common's\npermissions are written past the class-sized array -- an out-of-bounds\nheap write.\n\nReject a class whose permission count is below its inherited common's.\nWell-formed policies, where the class count already includes the\ninherited permissions, are unaffected."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/selinux/ss/policydb.c"], "versions": [{"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "2002ff745db64ac83ee1bb9ff78196d2d68bfdb3", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "38d91446630a20ce8c2a981810deea81fd61a3b5", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "638213f2e6ea52c06a25861616781338d154db35", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "2b7ffd7921fcbfe408fb7b372e47454e45b1e6a7", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "a63011c009ea79439b800a05602b880eb4adbb05", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "acd5b09be98fd38b7392307880156fb0452a7276", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "1b995966c3ae5244751bdaee9bfe7e17567d4fbe", "status": "affected", "versionType": "git"}, {"version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "9a82dcd98b6e6e11cfd162410967951f12152528", "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/selinux/ss/policydb.c"], "versions": [{"version": "2.6.23", "status": "affected"}, {"version": "0", "lessThan": "2.6.23", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.266", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.217", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.184", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.153", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.105", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.46", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.10", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "2.6.23", "versionEndExcluding": "5.10.266"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "5.15.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.1.184"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.6.153"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.12.105"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.18.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "7.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2002ff745db64ac83ee1bb9ff78196d2d68bfdb3"}, {"url": "https://git.kernel.org/stable/c/38d91446630a20ce8c2a981810deea81fd61a3b5"}, {"url": "https://git.kernel.org/stable/c/638213f2e6ea52c06a25861616781338d154db35"}, {"url": "https://git.kernel.org/stable/c/2b7ffd7921fcbfe408fb7b372e47454e45b1e6a7"}, {"url": "https://git.kernel.org/stable/c/a63011c009ea79439b800a05602b880eb4adbb05"}, {"url": "https://git.kernel.org/stable/c/acd5b09be98fd38b7392307880156fb0452a7276"}, {"url": "https://git.kernel.org/stable/c/1b995966c3ae5244751bdaee9bfe7e17567d4fbe"}, {"url": "https://git.kernel.org/stable/c/9a82dcd98b6e6e11cfd162410967951f12152528"}], "title": "selinux: reject a class permission count below its inherited common", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["security/selinux/ss/policydb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2002ff745db64ac83ee1bb9ff78196d2d68bfdb3", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "38d91446630a20ce8c2a981810deea81fd61a3b5", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "638213f2e6ea52c06a25861616781338d154db35", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "2b7ffd7921fcbfe408fb7b372e47454e45b1e6a7", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "a63011c009ea79439b800a05602b880eb4adbb05", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "acd5b09be98fd38b7392307880156fb0452a7276", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "1b995966c3ae5244751bdaee9bfe7e17567d4fbe", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}, {"lessThan": "9a82dcd98b6e6e11cfd162410967951f12152528", "status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["security/selinux/ss/policydb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.23"}, {"lessThan": "2.6.23", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.266", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.217", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.184", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.153", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.105", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nselinux: reject a class permission count below its inherited common\n\nsecurity_get_permissions() maps an inherited common's permissions into\nan array sized by the class's own permissions.nprim, but class_read()\ntakes that nprim verbatim from the policy image and never checks that it\ncovers the common. A class that inherits a common of N permissions while\ndeclaring a smaller nprim is accepted, and on load the common's\npermissions are written past the class-sized array -- an out-of-bounds\nheap write.\n\nReject a class whose permission count is below its inherited common's.\nWell-formed policies, where the class count already includes the\ninherited permissions, are unaffected."}], "id": "CVE-2026-80757", "lastModified": "2026-09-03T13:06:15.493", "metrics": {}, "published": "2026-09-03T13:06:15.493", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b995966c3ae5244751bdaee9bfe7e17567d4fbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2002ff745db64ac83ee1bb9ff78196d2d68bfdb3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b7ffd7921fcbfe408fb7b372e47454e45b1e6a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/38d91446630a20ce8c2a981810deea81fd61a3b5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/638213f2e6ea52c06a25861616781338d154db35"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a82dcd98b6e6e11cfd162410967951f12152528"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a63011c009ea79439b800a05602b880eb4adbb05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/acd5b09be98fd38b7392307880156fb0452a7276"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}