{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43207","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.993Z","datePublished":"2026-05-06T11:28:11.601Z","dateUpdated":"2026-08-05T12:26:34.312Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-05T12:26:34.312Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mtk-mdp: Fix error handling in probe function\n\nAdd mtk_mdp_unregister_m2m_device() on the error handling path to prevent\nresource leak.\n\nAdd check for the return value of vpu_get_plat_device() to prevent null\npointer dereference. And vpu_get_plat_device() increases the reference\ncount of the returned platform device. Add platform_device_put() to\nprevent reference leak."}],"metrics":[{"cvssV3_1":{"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"},"scenarios":[{"lang":"en","value":"AV:L - The vulnerable code is in the MediaTek MDP platform-driver probe/error path and the leaked V4L2 mem2mem device is reachable through local `/dev/video*` access, not through network, adjacent radio, or physical hotplug input.\nAC:L - There is no race or probabilistic trigger; once the VPU lookup/registration error condition occurs, the old probe path deterministically dereferences NULL or leaves the registered video device without proper cleanup.\nPR:L - A low-privileged local user with access to the exposed V4L2 device can open/ioctl the leaked node after probe failure. Although an administrator can also induce the probe failure via driver binding/module state, the higher-severity reasonable scenario is local exploitation of an already leaked device node.\nUI:N - No victim action is needed after the vulnerable device state exists; the attacker directly triggers the local device operation.\nS:U - The impact remains within the kernel/device security authority and does not cross a VM, IOMMU, or separate trust-boundary scope.\nC:H - The missing `mtk_mdp_unregister_m2m_device()` can leave a V4L2 device pointing at probe-owned `mtk_mdp_dev` state that is released on probe failure, creating a use-after-free style primitive. Per kernel CVSS guidance, such memory corruption is scored as high confidentiality impact.\nI:H - The dangling V4L2 path can write through freed/reused kernel structures during open and later mem2mem operations, making control-flow or data corruption plausible. Per kernel CVSS guidance, UAF-style memory corruption is high integrity impact.\nA:H - The direct NULL dereference in `vpu_wdt_reg_handler(NULL, ...)` can crash the kernel, and the leaked dangling video device can also produce kernel oopses. Kernel crash/oops conditions are high availability impact."}]}],"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/mdp/mtk_mdp_core.c"],"versions":[{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"9d9c67976eda502edc6b3a148a1c5b6a18b69a98","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"0bc43eaf021347f8d5aba87712c36b799695eec6","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"9d7962d5c81d6cf3f8dbdb5c71c57600bac5772b","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"12cafc15d24611bfb43c82877b1bbb7454a85d5a","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"c8737d33d4e8ffae87e5d5edac17f8a705235cc2","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"b3fc99fe5b25613dd61c57bc70b8479adff4f60d","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"2e8f53a7382943411557e370f1a4f3946624a30e","status":"affected","versionType":"git"},{"version":"c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a","lessThan":"8a8a3232abac5b972058a5f2cb3e33199d2a8648","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/mdp/mtk_mdp_core.c"],"versions":[{"version":"4.10","status":"affected"},{"version":"0","lessThan":"4.10","status":"unaffected","versionType":"semver"},{"version":"5.10.252","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.202","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.165","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.128","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.16","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"4.10","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9d9c67976eda502edc6b3a148a1c5b6a18b69a98"},{"url":"https://git.kernel.org/stable/c/0bc43eaf021347f8d5aba87712c36b799695eec6"},{"url":"https://git.kernel.org/stable/c/9d7962d5c81d6cf3f8dbdb5c71c57600bac5772b"},{"url":"https://git.kernel.org/stable/c/12cafc15d24611bfb43c82877b1bbb7454a85d5a"},{"url":"https://git.kernel.org/stable/c/c8737d33d4e8ffae87e5d5edac17f8a705235cc2"},{"url":"https://git.kernel.org/stable/c/b3fc99fe5b25613dd61c57bc70b8479adff4f60d"},{"url":"https://git.kernel.org/stable/c/2e8f53a7382943411557e370f1a4f3946624a30e"},{"url":"https://git.kernel.org/stable/c/8a8a3232abac5b972058a5f2cb3e33199d2a8648"}],"title":"media: mtk-mdp: Fix error handling in probe function","x_generator":{"engine":"bippy-1.2.0"}}}}