{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45848", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.078Z", "datePublished": "2026-05-27T12:15:12.310Z", "dateUpdated": "2026-05-27T12:15:12.310Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:15:12.310Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: fix NULL sock in aa_sock_file_perm\n\nDeal with the potential that sock and sock-sk can be NULL during\nsocket setup or teardown. This could lead to an oops. The fix for NULL\npointer dereference in __unix_needs_revalidation shows this is at\nleast possible for af_unix sockets. While the fix for af_unix sockets\napplies for newer mediation this is still the fall back path for older\naf_unix mediation and other sockets, so ensure it is covered."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["security/apparmor/net.c"], "versions": [{"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "68538ec34fcb4194c7961dc4eca6f5537fec8067", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "5121b7283f1c46e4c06b88b1dda7b064429d77de", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "c11b7c3280d000376e27ebfed17ec7046699eab4", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "0dc19bca22606f7a61d5988408f74e3ae0ef3486", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "3852eb9a0392eb435c03dcb47d581bcfe6a9a95b", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "ccb66a3c6c8f51b3ed1bc003b70bb9ff99e8d835", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "8a0ededbfcff74598f82f1d4b8ef9db28878b317", "status": "affected", "versionType": "git"}, {"version": "56974a6fcfef69ee0825bd66ed13e92070ac5224", "lessThan": "00b67657535dfea56e84d11492f5c0f61d0af297", "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/net.c"], "versions": [{"version": "4.17", "status": "affected"}, {"version": "0", "lessThan": "4.17", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "4.17", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/68538ec34fcb4194c7961dc4eca6f5537fec8067"}, {"url": "https://git.kernel.org/stable/c/5121b7283f1c46e4c06b88b1dda7b064429d77de"}, {"url": "https://git.kernel.org/stable/c/c11b7c3280d000376e27ebfed17ec7046699eab4"}, {"url": "https://git.kernel.org/stable/c/0dc19bca22606f7a61d5988408f74e3ae0ef3486"}, {"url": "https://git.kernel.org/stable/c/3852eb9a0392eb435c03dcb47d581bcfe6a9a95b"}, {"url": "https://git.kernel.org/stable/c/ccb66a3c6c8f51b3ed1bc003b70bb9ff99e8d835"}, {"url": "https://git.kernel.org/stable/c/8a0ededbfcff74598f82f1d4b8ef9db28878b317"}, {"url": "https://git.kernel.org/stable/c/00b67657535dfea56e84d11492f5c0f61d0af297"}], "title": "apparmor: fix NULL sock in aa_sock_file_perm", "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 NULL sock in aa_sock_file_perm\n\nDeal with the potential that sock and sock-sk can be NULL during\nsocket setup or teardown. This could lead to an oops. The fix for NULL\npointer dereference in __unix_needs_revalidation shows this is at\nleast possible for af_unix sockets. While the fix for af_unix sockets\napplies for newer mediation this is still the fall back path for older\naf_unix mediation and other sockets, so ensure it is covered."}], "id": "CVE-2026-45848", "lastModified": "2026-05-27T14:48:31.480", "metrics": {}, "published": "2026-05-27T14:16:56.700", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/00b67657535dfea56e84d11492f5c0f61d0af297"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0dc19bca22606f7a61d5988408f74e3ae0ef3486"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3852eb9a0392eb435c03dcb47d581bcfe6a9a95b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5121b7283f1c46e4c06b88b1dda7b064429d77de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68538ec34fcb4194c7961dc4eca6f5537fec8067"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8a0ededbfcff74598f82f1d4b8ef9db28878b317"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c11b7c3280d000376e27ebfed17ec7046699eab4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ccb66a3c6c8f51b3ed1bc003b70bb9ff99e8d835"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}