{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99142", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.395Z", "datePublished": "2026-10-28T10:34:53.839Z", "dateUpdated": "2026-10-30T12:42:13.953Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:42:13.953Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Check operator stack capacity before pushing\n\npredicate_parse() uses the first operator stack entry before processing\nany opening parentheses. A push then increments top before writing.\nThe existing check still permits that write when top already points to\nthe last allocated entry, which can access beyond the operator stack.\n\nReject the push when top reaches the last allocated entry."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_events_filter.c"], "versions": [{"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "c43c41ec62ca54ae145aa4912c6692a26d625734", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "d6f0006f194db49c54117ae22146421da5a2ca59", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "a866a8a753922cdf7710b8eb3f686dc0efc06505", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "75e894f92417390f0ef44fd350f2d3634c784876", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "c47a7b11bcb3d45e29723afcf6336866476b1d08", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/trace_events_filter.c"], "versions": [{"version": "6.6", "status": "affected"}, {"version": "0", "lessThan": "6.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.161", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.115", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.59", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.13", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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", "versionEndExcluding": "6.6.161"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.12.115"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.18.59"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.2.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c43c41ec62ca54ae145aa4912c6692a26d625734"}, {"url": "https://git.kernel.org/stable/c/d6f0006f194db49c54117ae22146421da5a2ca59"}, {"url": "https://git.kernel.org/stable/c/a866a8a753922cdf7710b8eb3f686dc0efc06505"}, {"url": "https://git.kernel.org/stable/c/75e894f92417390f0ef44fd350f2d3634c784876"}, {"url": "https://git.kernel.org/stable/c/c47a7b11bcb3d45e29723afcf6336866476b1d08"}], "title": "tracing: Check operator stack capacity before pushing", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/trace/trace_events_filter.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c43c41ec62ca54ae145aa4912c6692a26d625734", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "d6f0006f194db49c54117ae22146421da5a2ca59", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "a866a8a753922cdf7710b8eb3f686dc0efc06505", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "75e894f92417390f0ef44fd350f2d3634c784876", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "c47a7b11bcb3d45e29723afcf6336866476b1d08", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/trace/trace_events_filter.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.6"}, {"lessThan": "6.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.161", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.115", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.59", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\ntracing: Check operator stack capacity before pushing\n\npredicate_parse() uses the first operator stack entry before processing\nany opening parentheses. A push then increments top before writing.\nThe existing check still permits that write when top already points to\nthe last allocated entry, which can access beyond the operator stack.\n\nReject the push when top reaches the last allocated entry."}], "id": "CVE-2026-99142", "lastModified": "2026-10-30T13:21:48.410", "metrics": {}, "published": "2026-10-28T11:17:34.207", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75e894f92417390f0ef44fd350f2d3634c784876"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a866a8a753922cdf7710b8eb3f686dc0efc06505"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c43c41ec62ca54ae145aa4912c6692a26d625734"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c47a7b11bcb3d45e29723afcf6336866476b1d08"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6f0006f194db49c54117ae22146421da5a2ca59"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: kernel: Denial of Service via out-of-bounds write in tracing subsystem", "id": "2562720", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562720"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ntracing: Check operator stack capacity before pushing\npredicate_parse() uses the first operator stack entry before processing\nany opening parentheses. A push then increments top before writing.\nThe existing check still permits that write when top already points to\nthe last allocated entry, which can access beyond the operator stack.\nReject the push when top reaches the last allocated entry.", "A flaw was found in the Linux kernel's tracing subsystem. In the event filter parser, insufficient boundary checks allow the operator stack to be written past its allocated limit. A local attacker could exploit this vulnerability by submitting a specially crafted trace filter expression, triggering an out-of-bounds write. This issue primarily results in a system crash, causing a Denial of Service (DoS), or potential kernel memory corruption."], "name": "CVE-2026-99142", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-28T10:34:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-99142\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-99142\nhttps://git.kernel.org/stable/c/75e894f92417390f0ef44fd350f2d3634c784876\nhttps://git.kernel.org/stable/c/a866a8a753922cdf7710b8eb3f686dc0efc06505\nhttps://git.kernel.org/stable/c/c47a7b11bcb3d45e29723afcf6336866476b1d08"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[39f7c41c908bc82947ce47cdd021520ff486c53f,a866a8a753922cdf7710b8eb3f686dc0efc06505)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[39f7c41c908bc82947ce47cdd021520ff486c53f,75e894f92417390f0ef44fd350f2d3634c784876)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[39f7c41c908bc82947ce47cdd021520ff486c53f,c47a7b11bcb3d45e29723afcf6336866476b1d08)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.59,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[39f7c41c908bc82947ce47cdd021520ff486c53f,a866a8a753922cdf7710b8eb3f686dc0efc06505)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[39f7c41c908bc82947ce47cdd021520ff486c53f,75e894f92417390f0ef44fd350f2d3634c784876)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[39f7c41c908bc82947ce47cdd021520ff486c53f,c47a7b11bcb3d45e29723afcf6336866476b1d08)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"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": "6.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.59,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-28T11:45:09.957881+00:00", "updated": "2026-10-30T05:30:09.654348+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"]}