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vuln-cve/data/2026/45xxx/CVE-2026-45893.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45893",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.083Z",
"datePublished": "2026-05-27T12:17:04.135Z",
"dateUpdated": "2026-10-30T12:25:40.191Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:25:40.191Z"
},
"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]"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"security/apparmor/include/match.h",
"security/apparmor/match.c"
],
"versions": [
{
"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
"lessThan": "83939c2afba70b49062c31ca6a6de7f46951d26d",
"status": "affected",
"versionType": "git"
},
{
"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
"lessThan": "1fbc4b24c7443ffd501609be74d9856fb940d703",
"status": "affected",
"versionType": "git"
},
{
"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
"lessThan": "47e351dfef60ab0e3285133556e1a9c7f646a969",
"status": "affected",
"versionType": "git"
},
{
"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
"lessThan": "e027999049c493fb728ead5a90db76942181a935",
"status": "affected",
"versionType": "git"
},
{
"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
"lessThan": "226c3b10aab23f73b03c47e7773107de56ba3a4e",
"status": "affected",
"versionType": "git"
},
{
"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
"lessThan": "6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a",
"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/include/match.h",
"security/apparmor/match.c"
],
"versions": [
{
"version": "4.11",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.11",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"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": "4.11",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.11",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.11",
"versionEndExcluding": "6.12.75"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.11",
"versionEndExcluding": "6.18.14"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.11",
"versionEndExcluding": "6.19.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.11",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/83939c2afba70b49062c31ca6a6de7f46951d26d"
},
{
"url": "https://git.kernel.org/stable/c/1fbc4b24c7443ffd501609be74d9856fb940d703"
},
{
"url": "https://git.kernel.org/stable/c/47e351dfef60ab0e3285133556e1a9c7f646a969"
},
{
"url": "https://git.kernel.org/stable/c/e027999049c493fb728ead5a90db76942181a935"
},
{
"url": "https://git.kernel.org/stable/c/226c3b10aab23f73b03c47e7773107de56ba3a4e"
},
{
"url": "https://git.kernel.org/stable/c/6fc367bfd4c8886e6b1742aabbd1c0bdc310db3a"
}
],
"title": "apparmor: Fix & Optimize table creation from possibly unaligned memory",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}