{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2023-52491","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-20T12:30:33.303Z","datePublished":"2024-02-29T15:52:09.891Z","dateUpdated":"2025-05-04T07:37:54.249Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:37:54.249Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mtk-jpeg: Fix use after free bug due to error path handling in mtk_jpeg_dec_device_run\n\nIn mtk_jpeg_probe, &jpeg->job_timeout_work is bound with\nmtk_jpeg_job_timeout_work.\n\nIn mtk_jpeg_dec_device_run, if error happens in\nmtk_jpeg_set_dec_dst, it will finally start the worker while\nmark the job as finished by invoking v4l2_m2m_job_finish.\n\nThere are two methods to trigger the bug. If we remove the\nmodule, it which will call mtk_jpeg_remove to make cleanup.\nThe possible sequence is as follows, which will cause a\nuse-after-free bug.\n\nCPU0                  CPU1\nmtk_jpeg_dec_...    |\n  start worker\t    |\n                    |mtk_jpeg_job_timeout_work\nmtk_jpeg_remove     |\n  v4l2_m2m_release  |\n    kfree(m2m_dev); |\n                    |\n                    | v4l2_m2m_get_curr_priv\n                    |   m2m_dev->curr_ctx //use\n\nIf we close the file descriptor, which will call mtk_jpeg_release,\nit will have a similar sequence.\n\nFix this bug by starting timeout worker only if started jpegdec worker\nsuccessfully. Then v4l2_m2m_job_finish will only be called in\neither mtk_jpeg_job_timeout_work or mtk_jpeg_dec_device_run."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c"],"versions":[{"version":"b2f0d2724ba477d326e9d654d4db1c93e98f8b93","lessThan":"43872f44eee6c6781fea1348b38885d8e78face9","status":"affected","versionType":"git"},{"version":"b2f0d2724ba477d326e9d654d4db1c93e98f8b93","lessThan":"1b1036c60a37a30caf6759a90fe5ecd06ec35590","status":"affected","versionType":"git"},{"version":"b2f0d2724ba477d326e9d654d4db1c93e98f8b93","lessThan":"9fec4db7fff54d9b0306a332bab31eac47eeb5f6","status":"affected","versionType":"git"},{"version":"b2f0d2724ba477d326e9d654d4db1c93e98f8b93","lessThan":"8254d54d00eb6cdb8367399c7f912eb8d354ecd7","status":"affected","versionType":"git"},{"version":"b2f0d2724ba477d326e9d654d4db1c93e98f8b93","lessThan":"6e2f37022f0fc0893da4d85a0500c9d547fffd4c","status":"affected","versionType":"git"},{"version":"b2f0d2724ba477d326e9d654d4db1c93e98f8b93","lessThan":"206c857dd17d4d026de85866f1b5f0969f2a109e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c"],"versions":[{"version":"4.12","status":"affected"},{"version":"0","lessThan":"4.12","status":"unaffected","versionType":"semver"},{"version":"5.10.210","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.149","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.76","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.15","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.3","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.10.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.15.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.1.76"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.6.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.8"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/43872f44eee6c6781fea1348b38885d8e78face9"},{"url":"https://git.kernel.org/stable/c/1b1036c60a37a30caf6759a90fe5ecd06ec35590"},{"url":"https://git.kernel.org/stable/c/9fec4db7fff54d9b0306a332bab31eac47eeb5f6"},{"url":"https://git.kernel.org/stable/c/8254d54d00eb6cdb8367399c7f912eb8d354ecd7"},{"url":"https://git.kernel.org/stable/c/6e2f37022f0fc0893da4d85a0500c9d547fffd4c"},{"url":"https://git.kernel.org/stable/c/206c857dd17d4d026de85866f1b5f0969f2a109e"}],"title":"media: mtk-jpeg: Fix use after free bug due to error path handling in mtk_jpeg_dec_device_run","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:03:19.948Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/43872f44eee6c6781fea1348b38885d8e78face9","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1b1036c60a37a30caf6759a90fe5ecd06ec35590","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9fec4db7fff54d9b0306a332bab31eac47eeb5f6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8254d54d00eb6cdb8367399c7f912eb8d354ecd7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6e2f37022f0fc0893da4d85a0500c9d547fffd4c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/206c857dd17d4d026de85866f1b5f0969f2a109e","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-08T18:46:39.566289Z","id":"CVE-2023-52491","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-08-08T18:47:11.526Z"}}]},"dataVersion":"5.1"}