{"api_version":"1","generated_at":"2026-05-09T10:42:02+00:00","cve":"CVE-2026-43310","urls":{"html":"https://cve.report/CVE-2026-43310","api":"https://cve.report/api/cve/CVE-2026-43310.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43310","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43310"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 14:16:38","updated_at":"2026-05-08 14:16:38"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765","name":"https://git.kernel.org/stable/c/e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/286d629d10640bc22f3bf46aa4f356eb7975e862","name":"https://git.kernel.org/stable/c/286d629d10640bc22f3bf46aa4f356eb7975e862","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43310","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43310","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c 286d629d10640bc22f3bf46aa4f356eb7975e862 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/media/platform/verisilicon/hantro.h","drivers/media/platform/verisilicon/hantro_drv.c","drivers/media/platform/verisilicon/imx8m_vpu_hw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"286d629d10640bc22f3bf46aa4f356eb7975e862","status":"affected","version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","versionType":"git"},{"lessThan":"e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765","status":"affected","version":"cb5dd5a0fa518dff14ff2b90837c3c8f98f4dd5c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/media/platform/verisilicon/hantro.h","drivers/media/platform/verisilicon/hantro_drv.c","drivers/media/platform/verisilicon/imx8m_vpu_hw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.14"},{"lessThan":"5.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"5.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-05-08T13:11:28.372Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/286d629d10640bc22f3bf46aa4f356eb7975e862"},{"url":"https://git.kernel.org/stable/c/e0203ddf9af7c8e170e1e99ce83b4dc07f0cd765"}],"title":"media: verisilicon: Avoid G2 bus error while decoding H.264 and HEVC","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43310","datePublished":"2026-05-08T13:11:28.372Z","dateReserved":"2026-05-01T14:12:56.000Z","dateUpdated":"2026-05-08T13:11:28.372Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 14:16:38","lastModifiedDate":"2026-05-08 14:16:38","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43310","Ordinal":"1","Title":"media: verisilicon: Avoid G2 bus error while decoding H.264 and ","CVE":"CVE-2026-43310","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43310","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"media: verisilicon: Avoid G2 bus error while decoding H.264 and "}]}}}