{"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": "2024-11-04T14:47:53.658Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:47:53.658Z"}, "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": "b2f0d2724ba4", "lessThan": "43872f44eee6", "status": "affected", "versionType": "git"}, {"version": "b2f0d2724ba4", "lessThan": "1b1036c60a37", "status": "affected", "versionType": "git"}, {"version": "b2f0d2724ba4", "lessThan": "9fec4db7fff5", "status": "affected", "versionType": "git"}, {"version": "b2f0d2724ba4", "lessThan": "8254d54d00eb", "status": "affected", "versionType": "git"}, {"version": "b2f0d2724ba4", "lessThan": "6e2f37022f0f", "status": "affected", "versionType": "git"}, {"version": "b2f0d2724ba4", "lessThan": "206c857dd17d", "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"}]}], "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-9e1c9544281a"}}, "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"}

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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."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T14:47:53.658Z"}}}, "cveMetadata": {"cveId": "CVE-2023-52491", "state": "PUBLISHED", "dateUpdated": "2024-11-04T14:47:53.658Z", "dateReserved": "2024-02-20T12:30:33.303Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-29T15:52:09.891Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"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 resolvi\u00f3 la siguiente vulnerabilidad: medio: mtk-jpeg: Se corrigi\u00f3 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 est\u00e1 vinculado con mtk_jpeg_job_timeout_work. En mtk_jpeg_dec_device_run, si ocurre un error en mtk_jpeg_set_dec_dst, finalmente iniciar\u00e1 el trabajador mientras marca el trabajo como finalizado invocando v4l2_m2m_job_finish. Hay dos m\u00e9todos para activar el error. Si eliminamos el m\u00f3dulo, llamar\u00e1 a mtk_jpeg_remove para realizar la limpieza. La secuencia posible es la siguiente, lo que provocar\u00e1 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 llamar\u00e1 a mtk_jpeg_release, tendr\u00e1 una secuencia similar. Corrija este error iniciando el trabajador de tiempo de espera solo si inici\u00f3 el trabajador jpegdec exitosamente. Entonces v4l2_m2m_job_finish solo se llamar\u00e1 en mtk_jpeg_job_timeout_work o mtk_jpeg_dec_device_run."}], "id": "CVE-2023-52491", "lastModified": "2024-11-04T13:16:34.917", "metrics": {}, "published": "2024-03-11T18:15:16.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b1036c60a37a30caf6759a90fe5ecd06ec35590"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/206c857dd17d4d026de85866f1b5f0969f2a109e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/43872f44eee6c6781fea1348b38885d8e78face9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e2f37022f0fc0893da4d85a0500c9d547fffd4c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8254d54d00eb6cdb8367399c7f912eb8d354ecd7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9fec4db7fff54d9b0306a332bab31eac47eeb5f6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: media: mtk-jpeg: Fix use after free bug due to error path handling in mtk_jpeg_dec_device_run", "id": "2269185", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2269185"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: mtk-jpeg: Fix use after free bug due to error path handling in mtk_jpeg_dec_device_run\nIn mtk_jpeg_probe, &jpeg->job_timeout_work is bound with\nmtk_jpeg_job_timeout_work.\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.\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.\nCPU0 CPU1\nmtk_jpeg_dec_... |\nstart worker |\n|mtk_jpeg_job_timeout_work\nmtk_jpeg_remove |\nv4l2_m2m_release |\nkfree(m2m_dev); |\n|\n| v4l2_m2m_get_curr_priv\n| m2m_dev->curr_ctx //use\nIf we close the file descriptor, which will call mtk_jpeg_release,\nit will have a similar sequence.\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."], "name": "CVE-2023-52491", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52491\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52491\nhttps://lore.kernel.org/linux-cve-announce/20240229155245.1571576-32-lee@kernel.org/T"], "threat_severity": "Low", "upstream_fix": "kernel 5.10.210, kernel 5.15.149, kernel 6.1.76, kernel 6.6.15, kernel 6.7.3, kernel 6.8-rc1"}