CVE-2026-45893

{"id": "CVE-2026-45893", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "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": "e6e8bf418850d7958311a96ccfb594f2bcc8313e", "lessThan": "47e351dfef60ab0e3285133556e1a9c7f646a969", "versionType": "git"}, {"status": "affected", "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e", "lessThan": "e027999049c493fb728ead5a90db76942181a935", "versionType": "git"}, {"status": "affected", "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e", "lessThan": "226c3b10aab23f73b03c47e7773107de56ba3a4e", "versionType": "git"}, {"status": "affected", "version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e", "lessThan": "6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a", "versionType": "git"}], "programFiles": ["security/apparmor/include/match.h", "security/apparmor/match.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.11"}, {"status": "unaffected", "version": "0", "lessThan": "4.11", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.75", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.14", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.4", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["security/apparmor/include/match.h", "security/apparmor/match.c"], "defaultStatus": "affected"}]}], "published": "2026-05-27T14:17:03.487", "references": [{"url": "https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\napparmor: Fix & Optimize table creation from possibly unaligned memory\n\nSource blob may come from userspace and might be unaligned.\nTry to optize the copying process by avoiding unaligned memory accesses.\n\n- Added Fixes tag\n- Added \"Fix &\" to description as this doesn't just optimize but fixes\n a potential unaligned memory access\n[jj: remove duplicate word \"convert\" in comment trigger checkpatch warning]"}], "lastModified": "2026-06-25T21:10:15.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9460E9E9-5019-444D-B0AD-BB3A9C752456", "versionEndExcluding": "6.12.75", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF463CB7-1F58-4607-B847-77ED23E4B9B7", "versionEndExcluding": "6.18.14", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "672A3E79-EC03-479D-8503-361DFBDC8092", "versionEndExcluding": "6.19.4", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}