{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99143", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.395Z", "datePublished": "2026-10-28T10:34:54.527Z", "dateUpdated": "2026-10-30T12:42:15.013Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:42:15.013Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Keep the predicate limit separate from program capacity\n\npredicate_parse() adds two to nr_preds to reserve the terminal TRUE\nand FALSE entries. It also uses that increased value as the limit for\nparsed predicates. If the initial count is smaller than the number\nactually parsed, the program can fill the allocation and subsequent\naccesses can go past its end.\n\nKeep nr_preds as the predicate limit and use a separate value for the\nallocation size. This leaves space for both terminal entries and a\nzeroed entry when parsing stops at the limit."}], "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": "f4fcbae8b27350565026807e77c96541d9e7a349", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "37049f8c56d377e46a8ef1ff93178a39a68a9c9c", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "2058a1fe791bb30fd6e4875a7ada3237076c8541", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "68ecc9510bb82dd78585c02bd5357f34ee16b153", "status": "affected", "versionType": "git"}, {"version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "lessThan": "803aa6fc2dbea25ab9d3ed19eca1c96d0ab17445", "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/f4fcbae8b27350565026807e77c96541d9e7a349"}, {"url": "https://git.kernel.org/stable/c/37049f8c56d377e46a8ef1ff93178a39a68a9c9c"}, {"url": "https://git.kernel.org/stable/c/2058a1fe791bb30fd6e4875a7ada3237076c8541"}, {"url": "https://git.kernel.org/stable/c/68ecc9510bb82dd78585c02bd5357f34ee16b153"}, {"url": "https://git.kernel.org/stable/c/803aa6fc2dbea25ab9d3ed19eca1c96d0ab17445"}], "title": "tracing: Keep the predicate limit separate from program capacity", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"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": "f4fcbae8b27350565026807e77c96541d9e7a349", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "37049f8c56d377e46a8ef1ff93178a39a68a9c9c", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "2058a1fe791bb30fd6e4875a7ada3237076c8541", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "68ecc9510bb82dd78585c02bd5357f34ee16b153", "status": "affected", "version": "39f7c41c908bc82947ce47cdd021520ff486c53f", "versionType": "git"}, {"lessThan": "803aa6fc2dbea25ab9d3ed19eca1c96d0ab17445", "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: Keep the predicate limit separate from program capacity\n\npredicate_parse() adds two to nr_preds to reserve the terminal TRUE\nand FALSE entries. It also uses that increased value as the limit for\nparsed predicates. If the initial count is smaller than the number\nactually parsed, the program can fill the allocation and subsequent\naccesses can go past its end.\n\nKeep nr_preds as the predicate limit and use a separate value for the\nallocation size. This leaves space for both terminal entries and a\nzeroed entry when parsing stops at the limit."}], "id": "CVE-2026-99143", "lastModified": "2026-10-30T13:21:48.520", "metrics": {}, "published": "2026-10-28T11:17:34.320", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2058a1fe791bb30fd6e4875a7ada3237076c8541"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/37049f8c56d377e46a8ef1ff93178a39a68a9c9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68ecc9510bb82dd78585c02bd5357f34ee16b153"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/803aa6fc2dbea25ab9d3ed19eca1c96d0ab17445"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f4fcbae8b27350565026807e77c96541d9e7a349"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: kernel: Denial of Service via out-of-bounds access in tracing predicate parsing", "id": "2562723", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2562723"}, "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: Keep the predicate limit separate from program capacity\npredicate_parse() adds two to nr_preds to reserve the terminal TRUE\nand FALSE entries. It also uses that increased value as the limit for\nparsed predicates. If the initial count is smaller than the number\nactually parsed, the program can fill the allocation and subsequent\naccesses can go past its end.\nKeep nr_preds as the predicate limit and use a separate value for the\nallocation size. This leaves space for both terminal entries and a\nzeroed entry when parsing stops at the limit.", "A flaw was found in the Linux kernel's tracing subsystem. A local attacker could cause a Denial of Service (DoS) or memory corruption by exploiting an out-of-bounds memory access vulnerability during filter parsing. The predicate parsing mechanism improperly calculates boundary limits for event filter conditions, allowing parsing operations to exceed the allocated memory buffer. An attacker can exploit this issue by submitting a crafted filter expression to corrupt memory and crash the system."], "name": "CVE-2026-99143", "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": "2026-10-28T10:34:54Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-99143\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-99143\nhttps://git.kernel.org/stable/c/2058a1fe791bb30fd6e4875a7ada3237076c8541\nhttps://git.kernel.org/stable/c/68ecc9510bb82dd78585c02bd5357f34ee16b153\nhttps://git.kernel.org/stable/c/803aa6fc2dbea25ab9d3ed19eca1c96d0ab17445"], "threat_severity": "Moderate"}

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