CVE-2026-80757

{"id": "CVE-2026-80757", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "2002ff745db64ac83ee1bb9ff78196d2d68bfdb3", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "38d91446630a20ce8c2a981810deea81fd61a3b5", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "638213f2e6ea52c06a25861616781338d154db35", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "2b7ffd7921fcbfe408fb7b372e47454e45b1e6a7", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "a63011c009ea79439b800a05602b880eb4adbb05", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "acd5b09be98fd38b7392307880156fb0452a7276", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "1b995966c3ae5244751bdaee9bfe7e17567d4fbe", "versionType": "git"}, {"status": "affected", "version": "55fcf09b3fe4325c9395ebbb0322a547a157ebc7", "lessThan": "9a82dcd98b6e6e11cfd162410967951f12152528", "versionType": "git"}], "programFiles": ["security/selinux/ss/policydb.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.23"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.23", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.266", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.217", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.184", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.153", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.105", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.46", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.10", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["security/selinux/ss/policydb.c"], "defaultStatus": "affected"}]}], "published": "2026-09-03T13:06:15.493", "references": [{"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", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "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."}], "lastModified": "2026-09-03T13:06:15.493", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}