CVE-2026-68092

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68092", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.367Z", "datePublished": "2026-08-10T11:51:47.895Z", "dateUpdated": "2026-08-17T04:58:40.365Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:58:40.365Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntime/jiffies: Register jiffies clocksource before usage\n\nTeddy reported that a XEN HVM has a long boot delay, which was bisected to\nthe recent enhancements to the negative motion detection. It turned out\nthat the jiffies clocksource is used in early boot before it is registered,\nwhich leaves the max_delta_raw field at zero. That causes the read out to\nbe clamped to the max delta of 0, which means time is not making progress.\n\nCure it by ensuring that it is initialized before its first usage in\ntimekeeping_init()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/time/jiffies.c"], "versions": [{"version": "1a678f6829a8c931fae2b62e4c88dae743c839c9", "lessThan": "fe9bdea65ba231fcfb155031628bb1e8491b5fe0", "status": "affected", "versionType": "git"}, {"version": "76031d9536a076bf023bedbdb1b4317fc801dd67", "lessThan": "cd25e9819620aa1325897912cfb4dd89303325fe", "status": "affected", "versionType": "git"}, {"version": "76031d9536a076bf023bedbdb1b4317fc801dd67", "lessThan": "75b478096c6bbf57fe366f7f0a8cd5365043ffaa", "status": "affected", "versionType": "git"}, {"version": "76031d9536a076bf023bedbdb1b4317fc801dd67", "lessThan": "f24df84cbe05e4471c04ac4b921fc0340bbc7752", "status": "affected", "versionType": "git"}, {"version": "6.12.5", "lessThan": "6.12.97", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/time/jiffies.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.12.5", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fe9bdea65ba231fcfb155031628bb1e8491b5fe0"}, {"url": "https://git.kernel.org/stable/c/cd25e9819620aa1325897912cfb4dd89303325fe"}, {"url": "https://git.kernel.org/stable/c/75b478096c6bbf57fe366f7f0a8cd5365043ffaa"}, {"url": "https://git.kernel.org/stable/c/f24df84cbe05e4471c04ac4b921fc0340bbc7752"}], "title": "time/jiffies: Register jiffies clocksource before usage", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/time/jiffies.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fe9bdea65ba231fcfb155031628bb1e8491b5fe0", "status": "affected", "version": "1a678f6829a8c931fae2b62e4c88dae743c839c9", "versionType": "git"}, {"lessThan": "cd25e9819620aa1325897912cfb4dd89303325fe", "status": "affected", "version": "76031d9536a076bf023bedbdb1b4317fc801dd67", "versionType": "git"}, {"lessThan": "75b478096c6bbf57fe366f7f0a8cd5365043ffaa", "status": "affected", "version": "76031d9536a076bf023bedbdb1b4317fc801dd67", "versionType": "git"}, {"lessThan": "f24df84cbe05e4471c04ac4b921fc0340bbc7752", "status": "affected", "version": "76031d9536a076bf023bedbdb1b4317fc801dd67", "versionType": "git"}, {"lessThan": "6.12.97", "status": "affected", "version": "6.12.5", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/time/jiffies.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\ntime/jiffies: Register jiffies clocksource before usage\n\nTeddy reported that a XEN HVM has a long boot delay, which was bisected to\nthe recent enhancements to the negative motion detection. It turned out\nthat the jiffies clocksource is used in early boot before it is registered,\nwhich leaves the max_delta_raw field at zero. That causes the read out to\nbe clamped to the max delta of 0, which means time is not making progress.\n\nCure it by ensuring that it is initialized before its first usage in\ntimekeeping_init()."}], "id": "CVE-2026-68092", "lastModified": "2026-08-17T05:18:08.450", "metrics": {}, "published": "2026-08-10T12:17:22.030", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75b478096c6bbf57fe366f7f0a8cd5365043ffaa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cd25e9819620aa1325897912cfb4dd89303325fe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f24df84cbe05e4471c04ac4b921fc0340bbc7752"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fe9bdea65ba231fcfb155031628bb1e8491b5fe0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: time/jiffies: Register jiffies clocksource before usage", "id": "2513138", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513138"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-908", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntime/jiffies: Register jiffies clocksource before usage\nTeddy reported that a XEN HVM has a long boot delay, which was bisected to\nthe recent enhancements to the negative motion detection. It turned out\nthat the jiffies clocksource is used in early boot before it is registered,\nwhich leaves the max_delta_raw field at zero. That causes the read out to\nbe clamped to the max delta of 0, which means time is not making progress.\nCure it by ensuring that it is initialized before its first usage in\ntimekeeping_init().", "A flaw was found in the Linux kernel's time/jiffies clocksource. During early boot, the jiffies clocksource is used before it is properly registered, causing its maximum delta value to remain at zero. This issue prevents the system's time from progressing, leading to a significant boot delay, particularly observed in Xen Hardware Virtual Machine (HVM) environments."], "name": "CVE-2026-68092", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68092\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68092\nhttps://lore.kernel.org/linux-cve-announce/2026081000-CVE-2026-68092-85cd@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1a678f6829a8c931fae2b62e4c88dae743c839c9,fe9bdea65ba231fcfb155031628bb1e8491b5fe0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[76031d9536a076bf023bedbdb1b4317fc801dd67,cd25e9819620aa1325897912cfb4dd89303325fe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[76031d9536a076bf023bedbdb1b4317fc801dd67,75b478096c6bbf57fe366f7f0a8cd5365043ffaa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[76031d9536a076bf023bedbdb1b4317fc801dd67,f24df84cbe05e4471c04ac4b921fc0340bbc7752)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.12.5,6.12.97)"}}], "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": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"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": "2026-08-10T20:00:03.985876+00:00", "updated": "2026-08-13T11:15:05.117459+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}