{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68324", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.382Z", "datePublished": "2026-08-10T12:03:00.073Z", "dateUpdated": "2026-08-10T12:03:00.073Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:03:00.073Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/intel: Fix out-of-bounds memset in dmar_latency_disable()\n\ndmar_latency_disable() intends to zero out only the single\nlatency_statistic entry for the given type, but the memset size was\ncomputed as sizeof(*lstat) * DMAR_LATENCY_NUM, which clears the entire\narray starting from &lstat[type].\n\nWhen type > 0, this writes beyond the end of the allocated array,\ncorrupting adjacent memory.\n\nFix by using sizeof(*lstat) to clear only the target entry."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iommu/intel/perf.c"], "versions": [{"version": "55ee5e67a59a1b6f388d7a1c7b24022145f47a3e", "lessThan": "3078d82e7fe9048a2b90a992e71af7cd7ef881fa", "status": "affected", "versionType": "git"}, {"version": "55ee5e67a59a1b6f388d7a1c7b24022145f47a3e", "lessThan": "866a35735e56b9dc81cbc33899255134adf6d8b3", "status": "affected", "versionType": "git"}, {"version": "55ee5e67a59a1b6f388d7a1c7b24022145f47a3e", "lessThan": "d06fea9b85f038690f55e72fe0c45e113715a85a", "status": "affected", "versionType": "git"}, {"version": "55ee5e67a59a1b6f388d7a1c7b24022145f47a3e", "lessThan": "0e28ca1c3204b51068579defc904a0dfba5e5c57", "status": "affected", "versionType": "git"}, {"version": "55ee5e67a59a1b6f388d7a1c7b24022145f47a3e", "lessThan": "754f8efe45f87e3a9c6871b645b2f9d46d1b407b", "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/iommu/intel/perf.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-rc5", "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-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3078d82e7fe9048a2b90a992e71af7cd7ef881fa"}, {"url": "https://git.kernel.org/stable/c/866a35735e56b9dc81cbc33899255134adf6d8b3"}, {"url": "https://git.kernel.org/stable/c/d06fea9b85f038690f55e72fe0c45e113715a85a"}, {"url": "https://git.kernel.org/stable/c/0e28ca1c3204b51068579defc904a0dfba5e5c57"}, {"url": "https://git.kernel.org/stable/c/754f8efe45f87e3a9c6871b645b2f9d46d1b407b"}], "title": "iommu/intel: Fix out-of-bounds memset in dmar_latency_disable()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55ee5e67a59a1b6f388d7a1c7b24022145f47a3e,3078d82e7fe9048a2b90a992e71af7cd7ef881fa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55ee5e67a59a1b6f388d7a1c7b24022145f47a3e,866a35735e56b9dc81cbc33899255134adf6d8b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55ee5e67a59a1b6f388d7a1c7b24022145f47a3e,d06fea9b85f038690f55e72fe0c45e113715a85a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55ee5e67a59a1b6f388d7a1c7b24022145f47a3e,0e28ca1c3204b51068579defc904a0dfba5e5c57)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55ee5e67a59a1b6f388d7a1c7b24022145f47a3e,754f8efe45f87e3a9c6871b645b2f9d46d1b407b)"}}], "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-rc5,*]"}}], "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": "2026-08-10T16:00:04.017732+00:00", "updated": "2026-08-10T21:45:03.447632+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-788"]}