CVE-2026-89867

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89867", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.771Z", "datePublished": "2026-09-16T10:31:37.185Z", "dateUpdated": "2026-10-19T08:54:00.501Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:54:00.501Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: chips-media: wave5: Defer job_finish() only when a DEC_PIC was queued\n\nDecoder instances sharing a VPU also share one v4l2_m2m job slot, released\nwhen the running context calls v4l2_m2m_job_finish(). While draining,\ndevice_run() defers job_finish() once EOS is sent (sent_eos), expecting a\nlater finish_decode() (from a DEC_PIC completion IRQ) to release the slot.\n\nBut the m2m core checks job_ready() only when a job is queued, not when it\nis dispatched. A job queued while draining can run after finish_decode()\nhas already moved the instance to STOP and sent EOS. device_run() then runs\nin STOP, issues no DEC_PIC, yet still skips job_finish() - so no IRQ, no\nfinish_decode(), and the shared slot is leaked, stalling every instance.\nWith several v4l2h264dec instances in parallel, GStreamer hangs at EOS.\n\nTrack whether the run actually queued a DEC_PIC (cmd_issued) and defer\njob_finish() only then. Otherwise finish the job immediately"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c"], "versions": [{"version": "a176ac5e701f1ba30843c0d7e0663a761bf9a61a", "lessThan": "63d758d2f9dba836d5ae597d317cde522e817cf9", "status": "affected", "versionType": "git"}, {"version": "a176ac5e701f1ba30843c0d7e0663a761bf9a61a", "lessThan": "b694ba0a5526a69f78a6924982b1553154ccfd73", "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/chips-media/wave5/wave5-vpu-dec.c"], "versions": [{"version": "7.0", "status": "affected"}, {"version": "0", "lessThan": "7.0", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.5", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "7.0", "versionEndExcluding": "7.2.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/63d758d2f9dba836d5ae597d317cde522e817cf9"}, {"url": "https://git.kernel.org/stable/c/b694ba0a5526a69f78a6924982b1553154ccfd73"}], "title": "media: chips-media: wave5: Defer job_finish() only when a DEC_PIC was queued", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "63d758d2f9dba836d5ae597d317cde522e817cf9", "status": "affected", "version": "a176ac5e701f1ba30843c0d7e0663a761bf9a61a", "versionType": "git"}, {"lessThan": "b694ba0a5526a69f78a6924982b1553154ccfd73", "status": "affected", "version": "a176ac5e701f1ba30843c0d7e0663a761bf9a61a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.0"}, {"lessThan": "7.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: chips-media: wave5: Defer job_finish() only when a DEC_PIC was queued\n\nDecoder instances sharing a VPU also share one v4l2_m2m job slot, released\nwhen the running context calls v4l2_m2m_job_finish(). While draining,\ndevice_run() defers job_finish() once EOS is sent (sent_eos), expecting a\nlater finish_decode() (from a DEC_PIC completion IRQ) to release the slot.\n\nBut the m2m core checks job_ready() only when a job is queued, not when it\nis dispatched. A job queued while draining can run after finish_decode()\nhas already moved the instance to STOP and sent EOS. device_run() then runs\nin STOP, issues no DEC_PIC, yet still skips job_finish() - so no IRQ, no\nfinish_decode(), and the shared slot is leaked, stalling every instance.\nWith several v4l2h264dec instances in parallel, GStreamer hangs at EOS.\n\nTrack whether the run actually queued a DEC_PIC (cmd_issued) and defer\njob_finish() only then. Otherwise finish the job immediately"}], "id": "CVE-2026-89867", "lastModified": "2026-10-19T09:18:31.383", "metrics": {}, "published": "2026-09-16T11:16:54.843", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63d758d2f9dba836d5ae597d317cde522e817cf9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b694ba0a5526a69f78a6924982b1553154ccfd73"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a176ac5e701f1ba30843c0d7e0663a761bf9a61a,63d758d2f9dba836d5ae597d317cde522e817cf9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[a176ac5e701f1ba30843c0d7e0663a761bf9a61a,b694ba0a5526a69f78a6924982b1553154ccfd73)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.5,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-18T08:30:06.691108+00:00", "updated": "2026-09-18T20:30:15.737629+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-668"]}