{"id":"CVE-2023-53284","state":"PUBLISHED","title":"drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()\n\nBecause of the possilble failure of devm_kzalloc(), dpu_wb_conn might\nbe NULL and will cause null pointer dereference later.\n\nTherefore, it might be better to check it and directly return -ENOMEM.\n\nPatchwork: https://patchwork.freedesktop.org/patch/512277/\n[DB: fixed typo in commit message]","publishedAt":"2025-09-16T08:11:17.741Z","updatedAt":"2026-05-11T19:41:56.294Z","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":"77b001acdcfeb892842caac49fb7f0d286b29c43","status":"affected","lessThan":"3723c4dbcd14cc96771000ce0b0540801e6ba059","versionType":"git"},{"version":"77b001acdcfeb892842caac49fb7f0d286b29c43","status":"affected","lessThan":"5ee51b19855c5dd72aca57b8014f3b70d7798733","versionType":"git"},{"version":"77b001acdcfeb892842caac49fb7f0d286b29c43","status":"affected","lessThan":"21e9a838f505178e109ccb3bf19d7808eb0326f4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/msm/disp/dpu1/dpu_writeback.c"]}],"references":["https://git.kernel.org/stable/c/3723c4dbcd14cc96771000ce0b0540801e6ba059","https://git.kernel.org/stable/c/5ee51b19855c5dd72aca57b8014f3b70d7798733","https://git.kernel.org/stable/c/21e9a838f505178e109ccb3bf19d7808eb0326f4"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53284.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53284","state":"PUBLISHED","datePublished":"2025-09-16T08:11:17.741Z","dateUpdated":"2026-05-11T19:41:56.294Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T08:09:37.991Z"},"containers":{"cna":{"title":"drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()\n\nBecause of the possilble failure of devm_kzalloc(), dpu_wb_conn might\nbe NULL and will cause null pointer dereference later.\n\nTherefore, it might be better to check it and directly return -ENOMEM.\n\nPatchwork: https://patchwork.freedesktop.org/patch/512277/\n[DB: fixed typo in commit message]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"77b001acdcfeb892842caac49fb7f0d286b29c43","status":"affected","lessThan":"3723c4dbcd14cc96771000ce0b0540801e6ba059","versionType":"git"},{"version":"77b001acdcfeb892842caac49fb7f0d286b29c43","status":"affected","lessThan":"5ee51b19855c5dd72aca57b8014f3b70d7798733","versionType":"git"},{"version":"77b001acdcfeb892842caac49fb7f0d286b29c43","status":"affected","lessThan":"21e9a838f505178e109ccb3bf19d7808eb0326f4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/msm/disp/dpu1/dpu_writeback.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3723c4dbcd14cc96771000ce0b0540801e6ba059"},{"url":"https://git.kernel.org/stable/c/5ee51b19855c5dd72aca57b8014f3b70d7798733"},{"url":"https://git.kernel.org/stable/c/21e9a838f505178e109ccb3bf19d7808eb0326f4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:41:56.294Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.3"}]}]}],"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-2023-53284","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:09:06.615173Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:12:55.110Z"}}]}}}