{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68204", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.374Z", "datePublished": "2026-08-10T12:00:23.311Z", "dateUpdated": "2026-08-10T12:00:23.311Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:00:23.311Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vivid: check for vb2_is_busy() when toggling caps\n\nThe vivid_update_format_cap/out() functions must only be called if the\ncapture/output queue are not busy. But for the controls that select\nthe CROP/COMPOSE/SCALE capability that is not checked.\n\nOnly when streaming starts will they be set to 'grabbed' and it is\nimpossible to change the control, but between REQBUFS and STREAMON you\nare still allowed to set these controls. Since vivid_update_format_cap/out\nwill change the format, this can cause unexpected results.\n\nBesides adding these checks, also add a WARN_ON in\nvivid_update_format_cap/out() if the queue is busy.\n\nI'm 90% certain that this is the cause of this syzbot bug:\n\nhttps://syzkaller.appspot.com/bug?extid=dac8f5eaa46837e97b89\n\nBut since we never have reproducers, it is hard to be certain. In any case,\nthese checks are needed regardless."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/test-drivers/vivid/vivid-ctrls.c", "drivers/media/test-drivers/vivid/vivid-vid-cap.c", "drivers/media/test-drivers/vivid/vivid-vid-out.c"], "versions": [{"version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "lessThan": "a9cd0e8fb0b21faaa71199d9d3feb305c18ff576", "status": "affected", "versionType": "git"}, {"version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "lessThan": "abaec6747304581f8d4a9936352fa10e13325f07", "status": "affected", "versionType": "git"}, {"version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "lessThan": "492c97cb50feaa60ccd7792d3d6b904ed8ec61bf", "status": "affected", "versionType": "git"}, {"version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "lessThan": "daf2d92669b4a659d805d88d811161c70cd325ee", "status": "affected", "versionType": "git"}, {"version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "lessThan": "c2d1a2130c93f6d758af58590b86b2254c7a1dec", "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/test-drivers/vivid/vivid-ctrls.c", "drivers/media/test-drivers/vivid/vivid-vid-cap.c", "drivers/media/test-drivers/vivid/vivid-vid-out.c"], "versions": [{"version": "3.18", "status": "affected"}, {"version": "0", "lessThan": "3.18", "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": "3.18", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a9cd0e8fb0b21faaa71199d9d3feb305c18ff576"}, {"url": "https://git.kernel.org/stable/c/abaec6747304581f8d4a9936352fa10e13325f07"}, {"url": "https://git.kernel.org/stable/c/492c97cb50feaa60ccd7792d3d6b904ed8ec61bf"}, {"url": "https://git.kernel.org/stable/c/daf2d92669b4a659d805d88d811161c70cd325ee"}, {"url": "https://git.kernel.org/stable/c/c2d1a2130c93f6d758af58590b86b2254c7a1dec"}], "title": "media: vivid: check for vb2_is_busy() when toggling caps", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/test-drivers/vivid/vivid-ctrls.c", "drivers/media/test-drivers/vivid/vivid-vid-cap.c", "drivers/media/test-drivers/vivid/vivid-vid-out.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a9cd0e8fb0b21faaa71199d9d3feb305c18ff576", "status": "affected", "version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "versionType": "git"}, {"lessThan": "abaec6747304581f8d4a9936352fa10e13325f07", "status": "affected", "version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "versionType": "git"}, {"lessThan": "492c97cb50feaa60ccd7792d3d6b904ed8ec61bf", "status": "affected", "version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "versionType": "git"}, {"lessThan": "daf2d92669b4a659d805d88d811161c70cd325ee", "status": "affected", "version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "versionType": "git"}, {"lessThan": "c2d1a2130c93f6d758af58590b86b2254c7a1dec", "status": "affected", "version": "73c3f48230cda01402ae189b05d56f1f7e0d53c9", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/test-drivers/vivid/vivid-ctrls.c", "drivers/media/test-drivers/vivid/vivid-vid-cap.c", "drivers/media/test-drivers/vivid/vivid-vid-out.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.18"}, {"lessThan": "3.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "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: vivid: check for vb2_is_busy() when toggling caps\n\nThe vivid_update_format_cap/out() functions must only be called if the\ncapture/output queue are not busy. But for the controls that select\nthe CROP/COMPOSE/SCALE capability that is not checked.\n\nOnly when streaming starts will they be set to 'grabbed' and it is\nimpossible to change the control, but between REQBUFS and STREAMON you\nare still allowed to set these controls. Since vivid_update_format_cap/out\nwill change the format, this can cause unexpected results.\n\nBesides adding these checks, also add a WARN_ON in\nvivid_update_format_cap/out() if the queue is busy.\n\nI'm 90% certain that this is the cause of this syzbot bug:\n\nhttps://syzkaller.appspot.com/bug?extid=dac8f5eaa46837e97b89\n\nBut since we never have reproducers, it is hard to be certain. In any case,\nthese checks are needed regardless."}], "id": "CVE-2026-68204", "lastModified": "2026-08-10T13:20:08.013", "metrics": {}, "published": "2026-08-10T13:20:08.013", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/492c97cb50feaa60ccd7792d3d6b904ed8ec61bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a9cd0e8fb0b21faaa71199d9d3feb305c18ff576"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/abaec6747304581f8d4a9936352fa10e13325f07"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c2d1a2130c93f6d758af58590b86b2254c7a1dec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/daf2d92669b4a659d805d88d811161c70cd325ee"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: System instability due to improper video format handling in vivid driver", "id": "2513173", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513173"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-414", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: vivid: check for vb2_is_busy() when toggling caps\nThe vivid_update_format_cap/out() functions must only be called if the\ncapture/output queue are not busy. But for the controls that select\nthe CROP/COMPOSE/SCALE capability that is not checked.\nOnly when streaming starts will they be set to 'grabbed' and it is\nimpossible to change the control, but between REQBUFS and STREAMON you\nare still allowed to set these controls. Since vivid_update_format_cap/out\nwill change the format, this can cause unexpected results.\nBesides adding these checks, also add a WARN_ON in\nvivid_update_format_cap/out() if the queue is busy.\nI'm 90% certain that this is the cause of this syzbot bug:\nhttps://syzkaller.appspot.com/bug?extid=dac8f5eaa46837e97b89\nBut since we never have reproducers, it is hard to be certain. In any case,\nthese checks are needed regardless.", "A flaw was found in the Linux kernel's media subsystem, specifically within the vivid driver. The vivid_update_format_cap/out() functions, which handle video format changes, can be called when the video buffer queue is actively processing data. This occurs because checks for a busy queue are missing when certain capabilities are toggled between the buffer request and streaming start phases. An attacker with local access could potentially exploit this to cause unexpected system behavior or instability by manipulating video format settings during an active streaming session."], "name": "CVE-2026-68204", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T12:00:23Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68204\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68204\nhttps://git.kernel.org/stable/c/492c97cb50feaa60ccd7792d3d6b904ed8ec61bf\nhttps://git.kernel.org/stable/c/a9cd0e8fb0b21faaa71199d9d3feb305c18ff576\nhttps://git.kernel.org/stable/c/abaec6747304581f8d4a9936352fa10e13325f07\nhttps://git.kernel.org/stable/c/c2d1a2130c93f6d758af58590b86b2254c7a1dec\nhttps://git.kernel.org/stable/c/daf2d92669b4a659d805d88d811161c70cd325ee"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73c3f48230cda01402ae189b05d56f1f7e0d53c9,a9cd0e8fb0b21faaa71199d9d3feb305c18ff576)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73c3f48230cda01402ae189b05d56f1f7e0d53c9,abaec6747304581f8d4a9936352fa10e13325f07)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73c3f48230cda01402ae189b05d56f1f7e0d53c9,492c97cb50feaa60ccd7792d3d6b904ed8ec61bf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73c3f48230cda01402ae189b05d56f1f7e0d53c9,daf2d92669b4a659d805d88d811161c70cd325ee)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[73c3f48230cda01402ae189b05d56f1f7e0d53c9,c2d1a2130c93f6d758af58590b86b2254c7a1dec)"}}], "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": "semver", "value": "3.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.18)"}}, {"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": "2026-08-10T14:30:04.127498+00:00", "updated": "2026-08-10T18:15:11.244310+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-668", "CWE-754"]}