{"id":"CVE-2023-53258","state":"PUBLISHED","title":"drm/amd/display: Fix possible underflow for displays with large vblank","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix possible underflow for displays with large vblank\n\n[Why]\nUnderflow observed when using a display with a large vblank region\nand low refresh rate\n\n[How]\nSimplify calculation of vblank_nom\n\nIncrease value for VBlankNomDefaultUS to 800us","publishedAt":"2025-09-15T14:46:29.867Z","updatedAt":"2026-05-11T19:41:18.641Z","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":"4c3861f587400db00801810eb8034c7b480e21dd","status":"affected","lessThan":"d5741133e6e2f304b40ca1da0e16f62af06f4d22","versionType":"git"},{"version":"4c3861f587400db00801810eb8034c7b480e21dd","status":"affected","lessThan":"64bc8e10c87adf60b2d32aacf3afb288e51d5a62","versionType":"git"},{"version":"4c3861f587400db00801810eb8034c7b480e21dd","status":"affected","lessThan":"1a4bcdbea4319efeb26cc4b05be859a7867e02dc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.43","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.8","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","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/display/dc/dml/dcn314/dcn314_fpu.c"]}],"references":["https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22","https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62","https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc"],"weaknesses":["CWE-191"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53258.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53258","state":"PUBLISHED","datePublished":"2025-09-15T14:46:29.867Z","dateUpdated":"2026-05-11T19:41:18.641Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:19:21.850Z"},"containers":{"cna":{"title":"drm/amd/display: Fix possible underflow for displays with large vblank","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix possible underflow for displays with large vblank\n\n[Why]\nUnderflow observed when using a display with a large vblank region\nand low refresh rate\n\n[How]\nSimplify calculation of vblank_nom\n\nIncrease value for VBlankNomDefaultUS to 800us"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4c3861f587400db00801810eb8034c7b480e21dd","status":"affected","lessThan":"d5741133e6e2f304b40ca1da0e16f62af06f4d22","versionType":"git"},{"version":"4c3861f587400db00801810eb8034c7b480e21dd","status":"affected","lessThan":"64bc8e10c87adf60b2d32aacf3afb288e51d5a62","versionType":"git"},{"version":"4c3861f587400db00801810eb8034c7b480e21dd","status":"affected","lessThan":"1a4bcdbea4319efeb26cc4b05be859a7867e02dc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/dml/dcn314/dcn314_fpu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.43","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.8","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","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/display/dc/dml/dcn314/dcn314_fpu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d5741133e6e2f304b40ca1da0e16f62af06f4d22"},{"url":"https://git.kernel.org/stable/c/64bc8e10c87adf60b2d32aacf3afb288e51d5a62"},{"url":"https://git.kernel.org/stable/c/1a4bcdbea4319efeb26cc4b05be859a7867e02dc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:41:18.641Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.43"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.4.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.5"}]}]}],"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":{"id":"CVE-2023-53258","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:02:19.520880Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-191","lang":"en","type":"CWE","description":"CWE-191 Integer Underflow (Wrap or Wraparound)"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:02:53.117Z"}}]}}}