{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53374", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.401Z", "datePublished": "2026-07-19T10:01:58.292Z", "dateUpdated": "2026-07-20T13:39:43.888Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-20T13:39:43.888Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: zero-initialize GART table on allocation\n\nGART TLB is flushed after unmapping but not after mapping. Since\namdgpu_bo_create_kernel() does not zero-initialize the buffer, when a\nsingle PTE is written the TLB may speculatively load other uninitialized\nentries from the same cacheline. Those garbage entries can appear valid,\nand a subsequent write to another PTE in the same cacheline may cause the\nGPU to use a stale garbage PTE from the TLB.\n\nFix this by calling memset_io() to zero-initialize the GART table with\ngart_pte_flags immediately after allocation.\n\nUsing AMDGPU_GEM_CREATE_VRAM_CLEARED, SDMA-based clear will not work\nsince SDMA needs GART to be initialized to work.\n\n(cherry picked from commit d9af8263b82b6eaa60c5718e0c6631c5037e4b24)"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "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_gart.c"], "versions": [{"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "40df11255d71b02e20e70579f1b12b687e396e26", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "91fbb5e635c8fb1b49e15c19da06480089ef719f", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "8ae8b9e74bab94aab1d79f1688129bcc61c8b29a", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "b17175d0a375b3ed5e81597dac4983fdb46e478d", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "791941be5da125d9a1b228582bfdc300c05d05b3", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "e6c2e6c2e1fa066968a16aca1cb66cd1bdde7741", "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_gart.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.90", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.32", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.9", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.2", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.12.90"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.18.32"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.0.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/40df11255d71b02e20e70579f1b12b687e396e26"}, {"url": "https://git.kernel.org/stable/c/91fbb5e635c8fb1b49e15c19da06480089ef719f"}, {"url": "https://git.kernel.org/stable/c/8ae8b9e74bab94aab1d79f1688129bcc61c8b29a"}, {"url": "https://git.kernel.org/stable/c/b17175d0a375b3ed5e81597dac4983fdb46e478d"}, {"url": "https://git.kernel.org/stable/c/791941be5da125d9a1b228582bfdc300c05d05b3"}, {"url": "https://git.kernel.org/stable/c/e6c2e6c2e1fa066968a16aca1cb66cd1bdde7741"}], "title": "drm/amdgpu: zero-initialize GART table on allocation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: drm/amdgpu: zero-initialize GART table on allocation", "id": "2502188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502188"}, "csaw": false, "cwe": "CWE-824", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: zero-initialize GART table on allocation\nGART TLB is flushed after unmapping but not after mapping. Since\namdgpu_bo_create_kernel() does not zero-initialize the buffer, when a\nsingle PTE is written the TLB may speculatively load other uninitialized\nentries from the same cacheline. Those garbage entries can appear valid,\nand a subsequent write to another PTE in the same cacheline may cause the\nGPU to use a stale garbage PTE from the TLB.\nFix this by calling memset_io() to zero-initialize the GART table with\ngart_pte_flags immediately after allocation.\nUsing AMDGPU_GEM_CREATE_VRAM_CLEARED, SDMA-based clear will not work\nsince SDMA needs GART to be initialized to work.\n(cherry picked from commit d9af8263b82b6eaa60c5718e0c6631c5037e4b24)", "A flaw was found in the Linux kernel's AMD GPU (amdgpu) driver. When allocating a Graphics Address Remapping Table (GART), the memory was not properly initialized. This could allow a local attacker to potentially access uninitialized memory, leading to information disclosure or unexpected system behavior due to the GPU using stale data from its Translation Lookaside Buffer (TLB)."], "name": "CVE-2026-53374", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53374\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53374\nhttps://lore.kernel.org/linux-cve-announce/2026071946-CVE-2026-53374-a981@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d38ceaf99ed015f2a0b9af3499791bd3a3daae21,40df11255d71b02e20e70579f1b12b687e396e26)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d38ceaf99ed015f2a0b9af3499791bd3a3daae21,91fbb5e635c8fb1b49e15c19da06480089ef719f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d38ceaf99ed015f2a0b9af3499791bd3a3daae21,8ae8b9e74bab94aab1d79f1688129bcc61c8b29a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d38ceaf99ed015f2a0b9af3499791bd3a3daae21,b17175d0a375b3ed5e81597dac4983fdb46e478d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d38ceaf99ed015f2a0b9af3499791bd3a3daae21,791941be5da125d9a1b228582bfdc300c05d05b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d38ceaf99ed015f2a0b9af3499791bd3a3daae21,e6c2e6c2e1fa066968a16aca1cb66cd1bdde7741)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.175,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.90,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.32,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.9,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-22T06:30:11.981754+00:00", "updated": "2026-07-22T19:30:16.190061+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}