CVE-2026-45853

{"id": "CVE-2026-45853", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "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": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f", "lessThan": "16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e", "versionType": "git"}, {"status": "affected", "version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f", "lessThan": "9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5", "versionType": "git"}, {"status": "affected", "version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f", "lessThan": "f441538893eba6347b983f2904819ca6c99da65e", "versionType": "git"}, {"status": "affected", "version": "b194d21b9bcc15b50df1bc3ff7428e51c2918a6f", "lessThan": "0c44d61945c4a80775292d96460aa2f22e62f86c", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"status": "unaffected", "version": "0", "lessThan": "6.11", "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": ["drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c"], "defaultStatus": "affected"}]}], "published": "2026-05-27T14:16:57.330", "references": [{"url": "https://git.kernel.org/stable/c/0c44d61945c4a80775292d96460aa2f22e62f86c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f441538893eba6347b983f2904819ca6c99da65e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "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."}], "lastModified": "2026-06-25T21:08:17.410", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A05DCA5C-0E7E-47B5-899A-41DDF296199E", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.11"}, {"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"}