{"id":"CVE-2026-43151","state":"PUBLISHED","title":"Revert \"media: iris: Add sanity check for stop streaming\"","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"media: iris: Add sanity check for stop streaming\"\n\nThis reverts commit ad699fa78b59241c9d71a8cafb51525f3dab04d4.\n\nRevert the check that skipped stop_streaming when the instance was in\nIRIS_INST_ERROR, as it caused multiple regressions:\n\n1. Buffers were not returned to vb2 when the instance was already in\n   error state, triggering warnings in the vb2 core because buffer\n   completion was skipped.\n\n2. If a session failed early (e.g. unsupported configuration), the\n   instance transitioned to IRIS_INST_ERROR. When userspace attempted\n   to stop streaming for cleanup, stop_streaming was skipped due to the\n   added check, preventing proper teardown and leaving the firmware\n   in an inconsistent state.","publishedAt":"2026-05-06T11:27:33.084Z","updatedAt":"2026-05-23T16:06:26.572Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f8b136296722e258ec43237a35f72c92a6d4501a","status":"affected","lessThan":"bd4f8fa216182f33c06d4c1e162975a0c42fb14e","versionType":"git"},{"version":"ad699fa78b59241c9d71a8cafb51525f3dab04d4","status":"affected","lessThan":"a58b9d1c1cf81c0b29f1983c63c3e0c0caa68398","versionType":"git"},{"version":"ad699fa78b59241c9d71a8cafb51525f3dab04d4","status":"affected","lessThan":"370e19042fb8ac68109f8bdb0fdd8118baf39318","versionType":"git"},{"version":"6.18.3","status":"affected","lessThan":"6.18.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/qcom/iris/iris_vb2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.18.16","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/qcom/iris/iris_vb2.c"]}],"references":["https://git.kernel.org/stable/c/bd4f8fa216182f33c06d4c1e162975a0c42fb14e","https://git.kernel.org/stable/c/a58b9d1c1cf81c0b29f1983c63c3e0c0caa68398","https://git.kernel.org/stable/c/370e19042fb8ac68109f8bdb0fdd8118baf39318"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43151.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43151","state":"PUBLISHED","datePublished":"2026-05-06T11:27:33.084Z","dateUpdated":"2026-05-23T16:06:26.572Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.989Z"},"containers":{"cna":{"title":"Revert \"media: iris: Add sanity check for stop streaming\"","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRevert \"media: iris: Add sanity check for stop streaming\"\n\nThis reverts commit ad699fa78b59241c9d71a8cafb51525f3dab04d4.\n\nRevert the check that skipped stop_streaming when the instance was in\nIRIS_INST_ERROR, as it caused multiple regressions:\n\n1. Buffers were not returned to vb2 when the instance was already in\n   error state, triggering warnings in the vb2 core because buffer\n   completion was skipped.\n\n2. If a session failed early (e.g. unsupported configuration), the\n   instance transitioned to IRIS_INST_ERROR. When userspace attempted\n   to stop streaming for cleanup, stop_streaming was skipped due to the\n   added check, preventing proper teardown and leaving the firmware\n   in an inconsistent state."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f8b136296722e258ec43237a35f72c92a6d4501a","status":"affected","lessThan":"bd4f8fa216182f33c06d4c1e162975a0c42fb14e","versionType":"git"},{"version":"ad699fa78b59241c9d71a8cafb51525f3dab04d4","status":"affected","lessThan":"a58b9d1c1cf81c0b29f1983c63c3e0c0caa68398","versionType":"git"},{"version":"ad699fa78b59241c9d71a8cafb51525f3dab04d4","status":"affected","lessThan":"370e19042fb8ac68109f8bdb0fdd8118baf39318","versionType":"git"},{"version":"6.18.3","status":"affected","lessThan":"6.18.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/qcom/iris/iris_vb2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.18.16","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/qcom/iris/iris_vb2.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bd4f8fa216182f33c06d4c1e162975a0c42fb14e"},{"url":"https://git.kernel.org/stable/c/a58b9d1c1cf81c0b29f1983c63c3e0c0caa68398"},{"url":"https://git.kernel.org/stable/c/370e19042fb8ac68109f8bdb0fdd8118baf39318"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T16:06:26.572Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.3","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}