{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68180", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.373Z", "datePublished": "2026-08-10T11:59:51.694Z", "dateUpdated": "2026-08-10T11:59:51.694Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:59:51.694Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nintel_th: fix MSC output device reference leak\n\nintel_th_output_open() looks up the output device with\nbus_find_device_by_devt(), which returns the device with a reference that\nmust be dropped after use.\n\ncommit 95fc36a234da (\"intel_th: fix device leak on output open()\")\nattempted to drop the reference from intel_th_output_release(). However,\na successful open replaces file->f_op with the output driver file\noperations before returning, so close runs the output driver release\ncallback instead.\n\nFor MSC outputs, close runs intel_th_msc_release(), which only removes\nthe per-file iterator and does not drop the device reference taken by\nintel_th_output_open(). Consequently, every successful MSC output open\nleaks one device reference.\n\nDrop the device reference from intel_th_msc_release(), which is the\nrelease path actually used for MSC output files. Remove the now-unused\nintel_th_output_release() callback from intel_th_output_fops."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/intel_th/core.c", "drivers/hwtracing/intel_th/msu.c"], "versions": [{"version": "bf7785434b5d05d940d936b78925080950bd54dd", "lessThan": "ddcf2064d7ec5a8c9afa7cb74442320e443502bc", "status": "affected", "versionType": "git"}, {"version": "0fca16c5591534cc1fec8b6181277ee3a3d0f26c", "lessThan": "26e27b8dcef1e4df6f30d8f25b3304a506d482b3", "status": "affected", "versionType": "git"}, {"version": "f9b059bda4276f2bb72cb98ec7875a747f042ea2", "lessThan": "caba30eb8bd321c465ecfc7d850ee85f5b353496", "status": "affected", "versionType": "git"}, {"version": "95fc36a234da24bbc5f476f8104a5a15f99ed3e3", "lessThan": "c3a28f9cb82425fe0835048ed3677f321e780691", "status": "affected", "versionType": "git"}, {"version": "95fc36a234da24bbc5f476f8104a5a15f99ed3e3", "lessThan": "761b785a0cfbce43761227bc42a7f984f31f8921", "status": "affected", "versionType": "git"}, {"version": "af4b9467296b9a16ebc008147238070236982b6d", "status": "affected", "versionType": "git"}, {"version": "64015cbf06e8bb75b81ae95b997e847b55280f7f", "status": "affected", "versionType": "git"}, {"version": "b71e64ef7ff9443835d1333e3e80ab1e49e5209f", "status": "affected", "versionType": "git"}, {"version": "6.6.122", "lessThan": "6.6.148", "status": "affected", "versionType": "semver"}, {"version": "6.12.68", "lessThan": "6.12.101", "status": "affected", "versionType": "semver"}, {"version": "6.18.8", "lessThan": "6.18.42", "status": "affected", "versionType": "semver"}, {"version": "5.10.249", "lessThan": "5.11", "status": "affected", "versionType": "semver"}, {"version": "5.15.199", "lessThan": "5.16", "status": "affected", "versionType": "semver"}, {"version": "6.1.162", "lessThan": "6.2", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/intel_th/core.c", "drivers/hwtracing/intel_th/msu.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "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": "6.6.122", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.68", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.8", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.2-rc5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.249"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.199"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.162"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ddcf2064d7ec5a8c9afa7cb74442320e443502bc"}, {"url": "https://git.kernel.org/stable/c/26e27b8dcef1e4df6f30d8f25b3304a506d482b3"}, {"url": "https://git.kernel.org/stable/c/caba30eb8bd321c465ecfc7d850ee85f5b353496"}, {"url": "https://git.kernel.org/stable/c/c3a28f9cb82425fe0835048ed3677f321e780691"}, {"url": "https://git.kernel.org/stable/c/761b785a0cfbce43761227bc42a7f984f31f8921"}], "title": "intel_th: fix MSC output device reference leak", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/hwtracing/intel_th/core.c", "drivers/hwtracing/intel_th/msu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "ddcf2064d7ec5a8c9afa7cb74442320e443502bc", "status": "affected", "version": "bf7785434b5d05d940d936b78925080950bd54dd", "versionType": "git"}, {"lessThan": "26e27b8dcef1e4df6f30d8f25b3304a506d482b3", "status": "affected", "version": "0fca16c5591534cc1fec8b6181277ee3a3d0f26c", "versionType": "git"}, {"lessThan": "caba30eb8bd321c465ecfc7d850ee85f5b353496", "status": "affected", "version": "f9b059bda4276f2bb72cb98ec7875a747f042ea2", "versionType": "git"}, {"lessThan": "c3a28f9cb82425fe0835048ed3677f321e780691", "status": "affected", "version": "95fc36a234da24bbc5f476f8104a5a15f99ed3e3", "versionType": "git"}, {"lessThan": "761b785a0cfbce43761227bc42a7f984f31f8921", "status": "affected", "version": "95fc36a234da24bbc5f476f8104a5a15f99ed3e3", "versionType": "git"}, {"status": "affected", "version": "af4b9467296b9a16ebc008147238070236982b6d", "versionType": "git"}, {"status": "affected", "version": "64015cbf06e8bb75b81ae95b997e847b55280f7f", "versionType": "git"}, {"status": "affected", "version": "b71e64ef7ff9443835d1333e3e80ab1e49e5209f", "versionType": "git"}, {"lessThan": "6.6.148", "status": "affected", "version": "6.6.122", "versionType": "semver"}, {"lessThan": "6.12.101", "status": "affected", "version": "6.12.68", "versionType": "semver"}, {"lessThan": "6.18.42", "status": "affected", "version": "6.18.8", "versionType": "semver"}, {"lessThan": "5.11", "status": "affected", "version": "5.10.249", "versionType": "semver"}, {"lessThan": "5.16", "status": "affected", "version": "5.15.199", "versionType": "semver"}, {"lessThan": "6.2", "status": "affected", "version": "6.1.162", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hwtracing/intel_th/core.c", "drivers/hwtracing/intel_th/msu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "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-rc5", "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\nintel_th: fix MSC output device reference leak\n\nintel_th_output_open() looks up the output device with\nbus_find_device_by_devt(), which returns the device with a reference that\nmust be dropped after use.\n\ncommit 95fc36a234da (\"intel_th: fix device leak on output open()\")\nattempted to drop the reference from intel_th_output_release(). However,\na successful open replaces file->f_op with the output driver file\noperations before returning, so close runs the output driver release\ncallback instead.\n\nFor MSC outputs, close runs intel_th_msc_release(), which only removes\nthe per-file iterator and does not drop the device reference taken by\nintel_th_output_open(). Consequently, every successful MSC output open\nleaks one device reference.\n\nDrop the device reference from intel_th_msc_release(), which is the\nrelease path actually used for MSC output files. Remove the now-unused\nintel_th_output_release() callback from intel_th_output_fops."}], "id": "CVE-2026-68180", "lastModified": "2026-08-10T13:20:04.967", "metrics": {}, "published": "2026-08-10T13:20:04.967", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26e27b8dcef1e4df6f30d8f25b3304a506d482b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/761b785a0cfbce43761227bc42a7f984f31f8921"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c3a28f9cb82425fe0835048ed3677f321e780691"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/caba30eb8bd321c465ecfc7d850ee85f5b353496"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ddcf2064d7ec5a8c9afa7cb74442320e443502bc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: intel_th driver memory leak leading to Denial of Service", "id": "2513282", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513282"}, "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-911", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nintel_th: fix MSC output device reference leak\nintel_th_output_open() looks up the output device with\nbus_find_device_by_devt(), which returns the device with a reference that\nmust be dropped after use.\ncommit 95fc36a234da (\"intel_th: fix device leak on output open()\")\nattempted to drop the reference from intel_th_output_release(). However,\na successful open replaces file->f_op with the output driver file\noperations before returning, so close runs the output driver release\ncallback instead.\nFor MSC outputs, close runs intel_th_msc_release(), which only removes\nthe per-file iterator and does not drop the device reference taken by\nintel_th_output_open(). Consequently, every successful MSC output open\nleaks one device reference.\nDrop the device reference from intel_th_msc_release(), which is the\nrelease path actually used for MSC output files. Remove the now-unused\nintel_th_output_release() callback from intel_th_output_fops.", "A flaw was found in the `intel_th` (Intel Trace Hub) driver within the Linux kernel. This vulnerability occurs because the `intel_th_output_open()` function acquires a device reference that is not properly released by the `intel_th_msc_release()` function when handling Message Signaled Interrupt (MSC) outputs. Consequently, each successful MSC output open operation leads to a device reference leak. A local attacker could repeatedly trigger this memory leak, potentially exhausting system resources and causing a Denial of Service (DoS)."], "name": "CVE-2026-68180", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "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": "2026-08-10T11:59:51Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68180\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68180\nhttps://git.kernel.org/stable/c/26e27b8dcef1e4df6f30d8f25b3304a506d482b3\nhttps://git.kernel.org/stable/c/761b785a0cfbce43761227bc42a7f984f31f8921\nhttps://git.kernel.org/stable/c/c3a28f9cb82425fe0835048ed3677f321e780691\nhttps://git.kernel.org/stable/c/caba30eb8bd321c465ecfc7d850ee85f5b353496\nhttps://git.kernel.org/stable/c/ddcf2064d7ec5a8c9afa7cb74442320e443502bc"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bf7785434b5d05d940d936b78925080950bd54dd,ddcf2064d7ec5a8c9afa7cb74442320e443502bc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fca16c5591534cc1fec8b6181277ee3a3d0f26c,26e27b8dcef1e4df6f30d8f25b3304a506d482b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f9b059bda4276f2bb72cb98ec7875a747f042ea2,caba30eb8bd321c465ecfc7d850ee85f5b353496)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[95fc36a234da24bbc5f476f8104a5a15f99ed3e3,c3a28f9cb82425fe0835048ed3677f321e780691)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[95fc36a234da24bbc5f476f8104a5a15f99ed3e3,761b785a0cfbce43761227bc42a7f984f31f8921)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "af4b9467296b9a16ebc008147238070236982b6d"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "64015cbf06e8bb75b81ae95b997e847b55280f7f"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "b71e64ef7ff9443835d1333e3e80ab1e49e5209f"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.6.122,6.6.148)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.12.68,6.12.101)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.18.8,6.18.42)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.10.249,5.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.15.199,5.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[6.1.162,6.2)"}}], "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": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"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": "2026-08-10T14:45:18.124847+00:00", "updated": "2026-08-13T09:45:03.652120+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}