{"id":"CVE-2026-43310","state":"PUBLISHED","title":"media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC\n\nFor the i.MX8MQ platform, there is a hardware limitation: the g1 VPU and\ng2 VPU cannot decode simultaneously; otherwise, it will cause below bus\nerror and produce corrupted pictures, even potentially lead to system hang.\n\n[  110.527986] hantro-vpu 38310000.video-codec: frame decode timed out.\n[  110.583517] hantro-vpu 38310000.video-codec: bus error detected.\n\nTherefore, it is necessary to ensure that g1 and g2 operate alternately.\nThis allows for successful multi-instance decoding of H.264 and HEVC.\n\nTo achieve this, g1 and g2 share the same v4l2_m2m_dev, and then the\nv4l2_m2m_dev can handle the scheduling.","publishedAt":"2026-05-08T13:11:28.372Z","updatedAt":"2026-10-30T12:25:25.171Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"42a9fbccb33a38c5a9e0a84680939da8eae4f60e","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"f988fbf0536b42f6a05ccc1ac709d60236ec1aa6","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"f2efc1e8ab65bdb9b892af132887323e4df92f02","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"5133ef7c893c2c3aee7dd12503dc480de9dbfbb5","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"286d629d10640bc22f3bf46aa4f356eb7975e862","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/verisilicon/hantro.h","drivers/media/platform/verisilicon/hantro_drv.c","drivers/media/platform/verisilicon/imx8m_vpu_hw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/verisilicon/hantro.h","drivers/media/platform/verisilicon/hantro_drv.c","drivers/media/platform/verisilicon/imx8m_vpu_hw.c"]}],"references":["https://git.kernel.org/stable/c/42a9fbccb33a38c5a9e0a84680939da8eae4f60e","https://git.kernel.org/stable/c/f988fbf0536b42f6a05ccc1ac709d60236ec1aa6","https://git.kernel.org/stable/c/f2efc1e8ab65bdb9b892af132887323e4df92f02","https://git.kernel.org/stable/c/5133ef7c893c2c3aee7dd12503dc480de9dbfbb5","https://git.kernel.org/stable/c/286d629d10640bc22f3bf46aa4f356eb7975e862","https://git.kernel.org/stable/c/e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765"],"weaknesses":[],"ingestedAt":"2026-10-30T12:42:04.495Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43310.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43310","state":"PUBLISHED","datePublished":"2026-05-08T13:11:28.372Z","dateUpdated":"2026-10-30T12:25:25.171Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:56.000Z"},"containers":{"cna":{"title":"media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC\n\nFor the i.MX8MQ platform, there is a hardware limitation: the g1 VPU and\ng2 VPU cannot decode simultaneously; otherwise, it will cause below bus\nerror and produce corrupted pictures, even potentially lead to system hang.\n\n[  110.527986] hantro-vpu 38310000.video-codec: frame decode timed out.\n[  110.583517] hantro-vpu 38310000.video-codec: bus error detected.\n\nTherefore, it is necessary to ensure that g1 and g2 operate alternately.\nThis allows for successful multi-instance decoding of H.264 and HEVC.\n\nTo achieve this, g1 and g2 share the same v4l2_m2m_dev, and then the\nv4l2_m2m_dev can handle the scheduling."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"42a9fbccb33a38c5a9e0a84680939da8eae4f60e","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"f988fbf0536b42f6a05ccc1ac709d60236ec1aa6","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"f2efc1e8ab65bdb9b892af132887323e4df92f02","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"5133ef7c893c2c3aee7dd12503dc480de9dbfbb5","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"286d629d10640bc22f3bf46aa4f356eb7975e862","versionType":"git"},{"version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","status":"affected","lessThan":"e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/verisilicon/hantro.h","drivers/media/platform/verisilicon/hantro_drv.c","drivers/media/platform/verisilicon/imx8m_vpu_hw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.114","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/verisilicon/hantro.h","drivers/media/platform/verisilicon/hantro_drv.c","drivers/media/platform/verisilicon/imx8m_vpu_hw.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/42a9fbccb33a38c5a9e0a84680939da8eae4f60e"},{"url":"https://git.kernel.org/stable/c/f988fbf0536b42f6a05ccc1ac709d60236ec1aa6"},{"url":"https://git.kernel.org/stable/c/f2efc1e8ab65bdb9b892af132887323e4df92f02"},{"url":"https://git.kernel.org/stable/c/5133ef7c893c2c3aee7dd12503dc480de9dbfbb5"},{"url":"https://git.kernel.org/stable/c/286d629d10640bc22f3bf46aa4f356eb7975e862"},{"url":"https://git.kernel.org/stable/c/e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:25:25.171Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.12.114"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}