{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68206", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.374Z", "datePublished": "2026-08-10T12:00:25.309Z", "dateUpdated": "2026-08-10T12:00:25.309Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:00:25.309Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-ctrls: validate HEVC active reference counts\n\nHEVC slice parameters are shared stateless V4L2 controls, but the common\nvalidation path does not verify the active L0/L1 reference counts before\ndriver-specific code consumes them.\n\nThe original report came from Cedrus, but the active count bounds are\nnot Cedrus-specific. Validate them in the common HEVC slice control path\nso stateless HEVC drivers get the same basic guarantees as soon as the\ncontrol is queued.\n\nDo not reject ref_idx_l0/ref_idx_l1 entries here. Existing userspace may\nuse out-of-range sentinel values such as 0xff for missing references, and\nsome hardware can use that information for concealment. Keep this common\ncheck limited to the active reference counts."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/v4l2-core/v4l2-ctrls-core.c"], "versions": [{"version": "d395a78db9eabd12633b39e05c80e803543b6590", "lessThan": "9a998cc1c348769262d433acb7d238c5fac4b2e0", "status": "affected", "versionType": "git"}, {"version": "d395a78db9eabd12633b39e05c80e803543b6590", "lessThan": "dbaf0e0023e2f9332c5164822def7f80b7d2c5ef", "status": "affected", "versionType": "git"}, {"version": "d395a78db9eabd12633b39e05c80e803543b6590", "lessThan": "3068ab802fc98b121dcb451e1f7f4d338ffc7a19", "status": "affected", "versionType": "git"}, {"version": "d395a78db9eabd12633b39e05c80e803543b6590", "lessThan": "b01df98a6669d2b67d8aed816021b327fd905998", "status": "affected", "versionType": "git"}, {"version": "d395a78db9eabd12633b39e05c80e803543b6590", "lessThan": "afbe4bc252d90a6f8fad869b06d5430f615f22f9", "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/v4l2-core/v4l2-ctrls-core.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "5.14", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9a998cc1c348769262d433acb7d238c5fac4b2e0"}, {"url": "https://git.kernel.org/stable/c/dbaf0e0023e2f9332c5164822def7f80b7d2c5ef"}, {"url": "https://git.kernel.org/stable/c/3068ab802fc98b121dcb451e1f7f4d338ffc7a19"}, {"url": "https://git.kernel.org/stable/c/b01df98a6669d2b67d8aed816021b327fd905998"}, {"url": "https://git.kernel.org/stable/c/afbe4bc252d90a6f8fad869b06d5430f615f22f9"}], "title": "media: v4l2-ctrls: validate HEVC active reference counts", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d395a78db9eabd12633b39e05c80e803543b6590,9a998cc1c348769262d433acb7d238c5fac4b2e0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d395a78db9eabd12633b39e05c80e803543b6590,dbaf0e0023e2f9332c5164822def7f80b7d2c5ef)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d395a78db9eabd12633b39e05c80e803543b6590,3068ab802fc98b121dcb451e1f7f4d338ffc7a19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d395a78db9eabd12633b39e05c80e803543b6590,b01df98a6669d2b67d8aed816021b327fd905998)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d395a78db9eabd12633b39e05c80e803543b6590,afbe4bc252d90a6f8fad869b06d5430f615f22f9)"}}], "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": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-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": "2026-08-10T14:30:04.127365+00:00", "updated": "2026-08-10T17:45:04.362622+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-20"]}