{"id":"CVE-2023-52815","state":"PUBLISHED","title":"drm/amdgpu/vkms: fix a possible null pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vkms: fix a possible null pointer dereference\n\nIn amdgpu_vkms_conn_get_modes(), the return value of drm_cvt_mode()\nis assigned to mode, which will lead to a NULL pointer dereference\non failure of drm_cvt_mode(). Add a check to avoid null pointer\ndereference.","publishedAt":"2024-05-21T15:31:22.918Z","updatedAt":"2026-05-11T19:33:38.713Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","status":"affected","lessThan":"eaa03ea366c85ae3cb69c8d4bbc67c8bc2167a27","versionType":"git"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","status":"affected","lessThan":"33fb1a555354bd593f785935ddcb5d9dd4d3847f","versionType":"git"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","status":"affected","lessThan":"8c6c85a073768df68c1a3fea143d013a38c66d34","versionType":"git"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","status":"affected","lessThan":"70f831f21155c692bb336c434936fd6f24f3f81a","versionType":"git"},{"version":"d38ceaf99ed015f2a0b9af3499791bd3a3daae21","status":"affected","lessThan":"cd90511557fdfb394bb4ac4c3b539b007383914c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.15.140","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.64","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.13","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6.3","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7","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/amdgpu_vkms.c"]}],"references":["https://git.kernel.org/stable/c/eaa03ea366c85ae3cb69c8d4bbc67c8bc2167a27","https://git.kernel.org/stable/c/33fb1a555354bd593f785935ddcb5d9dd4d3847f","https://git.kernel.org/stable/c/8c6c85a073768df68c1a3fea143d013a38c66d34","https://git.kernel.org/stable/c/70f831f21155c692bb336c434936fd6f24f3f81a","https://git.kernel.org/stable/c/cd90511557fdfb394bb4ac4c3b539b007383914c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52815.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52815","state":"PUBLISHED","datePublished":"2024-05-21T15:31:22.918Z","dateUpdated":"2026-05-11T19:33:38.713Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T15:19:24.248Z"},"containers":{"cna":{"title":"drm/amdgpu/vkms: fix a possible null pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/vkms: fix a possible null pointer dereference\n\nIn amdgpu_vkms_conn_get_modes(), the return value of drm_cvt_mode()\nis assigned to mode, which will lead to a NULL pointer dereference\non failure of drm_cvt_mode(). 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