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vuln-cve/data/2026/45xxx/CVE-2026-45853.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-45853",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-13T15:03:33.079Z",
"datePublished": "2026-05-27T12:15:27.453Z",
"dateUpdated": "2026-11-06T15:43:00.207Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-27T12:15:27.453Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges()\n\namdgpu_discovery_get_nps_info() internally allocates memory for ranges\nusing kvcalloc(), which may use vmalloc() for large allocation. Using\nkfree() to release vmalloc memory will lead to a memory corruption.\n\nUse kvfree() to safely handle both kmalloc and vmalloc allocations.\n\nCompile tested only. Issue found using a prototype static analysis tool\nand code review."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c"
],
"versions": [
{
"version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f",
"lessThan": "16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e",
"status": "affected",
"versionType": "git"
},
{
"version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f",
"lessThan": "9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5",
"status": "affected",
"versionType": "git"
},
{
"version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f",
"lessThan": "f441538893eba6347b983f2904819ca6c99da65e",
"status": "affected",
"versionType": "git"
},
{
"version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f",
"lessThan": "0c44d61945c4a80775292d96460aa2f22e62f86c",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c"
],
"versions": [
{
"version": "6.11",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.11",
"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": "6.11",
"versionEndExcluding": "6.12.75"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.11",
"versionEndExcluding": "6.18.14"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.11",
"versionEndExcluding": "6.19.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.11",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e"
},
{
"url": "https://git.kernel.org/stable/c/9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5"
},
{
"url": "https://git.kernel.org/stable/c/f441538893eba6347b983f2904819ca6c99da65e"
},
{
"url": "https://git.kernel.org/stable/c/0c44d61945c4a80775292d96460aa2f22e62f86c"
}
],
"title": "drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-45853",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:42:39.256391Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:43:00.207Z"
}
}
]
}
}