{"id":"CVE-2024-56776","state":"PUBLISHED","title":"drm/sti: avoid potential dereference of error pointers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/sti: avoid potential dereference of error pointers\n\nThe return value of drm_atomic_get_crtc_state() needs to be\nchecked. To avoid use of error pointer 'crtc_state' in case\nof the failure.","publishedAt":"2025-01-08T17:49:14.622Z","updatedAt":"2026-05-11T20:58:51.066Z","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":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"e98ff67f5a68114804607de549c2350d27628fc7","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"40725c5fabee804fecce41d4d5c5bae80c45e1c4","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"f67786293193cf01ebcc6fdbcbd1587b24f52679","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"831214f77037de02afc287eae93ce97f218d8c04","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/sti/sti_cursor.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.4","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","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/sti/sti_cursor.c"]}],"references":["https://git.kernel.org/stable/c/e98ff67f5a68114804607de549c2350d27628fc7","https://git.kernel.org/stable/c/40725c5fabee804fecce41d4d5c5bae80c45e1c4","https://git.kernel.org/stable/c/8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc","https://git.kernel.org/stable/c/f67786293193cf01ebcc6fdbcbd1587b24f52679","https://git.kernel.org/stable/c/831214f77037de02afc287eae93ce97f218d8c04","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56776.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56776","state":"PUBLISHED","datePublished":"2025-01-08T17:49:14.622Z","dateUpdated":"2026-05-11T20:58:51.066Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T11:26:39.766Z"},"containers":{"cna":{"title":"drm/sti: avoid potential dereference of error pointers","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/sti: avoid potential dereference of error pointers\n\nThe return value of drm_atomic_get_crtc_state() needs to be\nchecked. To avoid use of error pointer 'crtc_state' in case\nof the failure."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"e98ff67f5a68114804607de549c2350d27628fc7","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"40725c5fabee804fecce41d4d5c5bae80c45e1c4","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"f67786293193cf01ebcc6fdbcbd1587b24f52679","versionType":"git"},{"version":"dd86dc2f9ae1102f46115be1f1422265c15540f1","status":"affected","lessThan":"831214f77037de02afc287eae93ce97f218d8c04","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/sti/sti_cursor.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.4","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","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/sti/sti_cursor.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e98ff67f5a68114804607de549c2350d27628fc7"},{"url":"https://git.kernel.org/stable/c/40725c5fabee804fecce41d4d5c5bae80c45e1c4"},{"url":"https://git.kernel.org/stable/c/8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc"},{"url":"https://git.kernel.org/stable/c/f67786293193cf01ebcc6fdbcbd1587b24f52679"},{"url":"https://git.kernel.org/stable/c/831214f77037de02afc287eae93ce97f218d8c04"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:58:51.066Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.15.174"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.6.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.12.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.13"}]}]}],"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-2024-56776","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:56:38.325414Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","lang":"en","type":"CWE","description":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:57:24.587Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:54:11.160Z"}}]}}}