{"id":"CVE-2025-21990","state":"PUBLISHED","title":"drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags\n\nPRT BOs may not have any backing store, so bo->tbo.resource will be\nNULL. Check for that before dereferencing.\n\n(cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)","publishedAt":"2025-04-02T12:53:13.590Z","updatedAt":"2026-05-11T21:10:30.585Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0cce5f285d9ae81c33993f3270fe77f5e74a69ab","status":"affected","lessThan":"72235808eabea93055b459a63443bd9cd6b08aa4","versionType":"git"},{"version":"0cce5f285d9ae81c33993f3270fe77f5e74a69ab","status":"affected","lessThan":"af23e39b9e9280b1f6299b6f2fa090a1694240ad","versionType":"git"},{"version":"0cce5f285d9ae81c33993f3270fe77f5e74a69ab","status":"affected","lessThan":"6cc30748e17ea2a64051ceaf83a8372484e597f1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.20","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.8","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c"]}],"references":["https://git.kernel.org/stable/c/72235808eabea93055b459a63443bd9cd6b08aa4","https://git.kernel.org/stable/c/af23e39b9e9280b1f6299b6f2fa090a1694240ad","https://git.kernel.org/stable/c/6cc30748e17ea2a64051ceaf83a8372484e597f1"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/21xxx/CVE-2025-21990.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21990","state":"PUBLISHED","datePublished":"2025-04-02T12:53:13.590Z","dateUpdated":"2026-05-11T21:10:30.585Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T08:45:45.800Z"},"containers":{"cna":{"title":"drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags\n\nPRT BOs may not have any backing store, so bo->tbo.resource will be\nNULL. Check for that before dereferencing.\n\n(cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0cce5f285d9ae81c33993f3270fe77f5e74a69ab","status":"affected","lessThan":"72235808eabea93055b459a63443bd9cd6b08aa4","versionType":"git"},{"version":"0cce5f285d9ae81c33993f3270fe77f5e74a69ab","status":"affected","lessThan":"af23e39b9e9280b1f6299b6f2fa090a1694240ad","versionType":"git"},{"version":"0cce5f285d9ae81c33993f3270fe77f5e74a69ab","status":"affected","lessThan":"6cc30748e17ea2a64051ceaf83a8372484e597f1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.12.20","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.8","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/72235808eabea93055b459a63443bd9cd6b08aa4"},{"url":"https://git.kernel.org/stable/c/af23e39b9e9280b1f6299b6f2fa090a1694240ad"},{"url":"https://git.kernel.org/stable/c/6cc30748e17ea2a64051ceaf83a8372484e597f1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:10:30.585Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.13.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.14"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T17:13:50.255980Z","id":"CVE-2025-21990","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T17:13:53.014Z"}}]}}}