{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-29T20:33:00.978","vulnerabilities":[{"cve":{"id":"CVE-2023-52491","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-03-11T18:15:16.807","lastModified":"2024-12-12T17:32:00.693","vulnStatus":"Analyzed","cveTags":[],"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."},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: medio: mtk-jpeg: Se corrigió el error de use-after-free debido al manejo de la ruta de error en mtk_jpeg_dec_device_run En mtk_jpeg_probe, &jpeg->job_timeout_work está vinculado con mtk_jpeg_job_timeout_work. En mtk_jpeg_dec_device_run, si ocurre un error en mtk_jpeg_set_dec_dst, finalmente iniciará el trabajador mientras marca el trabajo como finalizado invocando v4l2_m2m_job_finish. Hay dos métodos para activar el error. Si eliminamos el módulo, llamará a mtk_jpeg_remove para realizar la limpieza. La secuencia posible es la siguiente, lo que provocará un error de use-after-free. CPU0 CPU1 mtk_jpeg_dec_... | empezar trabajador | |mtk_jpeg_job_timeout_work mtk_jpeg_remove | v4l2_m2m_release | kfree(m2m_dev); | | | v4l2_m2m_get_curr_priv | m2m_dev->curr_ctx //use Si cerramos el descriptor de archivo, que llamará a mtk_jpeg_release, tendrá una secuencia similar. Corrija este error iniciando el trabajador de tiempo de espera solo si inició el trabajador jpegdec exitosamente. Entonces v4l2_m2m_job_finish solo se llamará en mtk_jpeg_job_timeout_work o mtk_jpeg_dec_device_run."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.10.210","matchCriteriaId":"FFC7FC62-DD78-4B12-9C6A-57C3E33A3410"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.149","matchCriteriaId":"0D0465BB-4053-4E15-9137-6696EBAE90FD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.76","matchCriteriaId":"32F0FEB3-5FE1-4400-A56D-886F09BE872E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.15","matchCriteriaId":"87C718CB-AE3D-4B07-B4D9-BFF64183C468"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.7.3","matchCriteriaId":"58FD5308-148A-40D3-B36A-0CA6B434A8BF"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1b1036c60a37a30caf6759a90fe5ecd06ec35590","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/206c857dd17d4d026de85866f1b5f0969f2a109e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/43872f44eee6c6781fea1348b38885d8e78face9","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6e2f37022f0fc0893da4d85a0500c9d547fffd4c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8254d54d00eb6cdb8367399c7f912eb8d354ecd7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9fec4db7fff54d9b0306a332bab31eac47eeb5f6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1b1036c60a37a30caf6759a90fe5ecd06ec35590","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/206c857dd17d4d026de85866f1b5f0969f2a109e","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/43872f44eee6c6781fea1348b38885d8e78face9","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6e2f37022f0fc0893da4d85a0500c9d547fffd4c","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8254d54d00eb6cdb8367399c7f912eb8d354ecd7","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9fec4db7fff54d9b0306a332bab31eac47eeb5f6","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}