{"id":"CVE-2026-99142","revision":"fc7b518bd3aa41c69bc3eaf67dcc4a76","records":[{"revision":"fc7b518bd3aa41c69bc3eaf67dcc4a76","observedAt":"2026-10-30T13:45:33.454+00:00","statement":{"source":"cve-program","id":"CVE-2026-99142","aliases":[],"title":"tracing: Check operator stack capacity before pushing","description":"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.","state":0,"publishedAt":"2026-10-28T10:34:53.839+00:00","modifiedAt":"2026-10-30T12:42:13.953+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/trace/trace_events_filter.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"39f7c41c908bc82947ce47cdd021520ff486c53f\",\n                            \"lessThan\": \"c43c41ec62ca54ae145aa4912c6692a26d625734\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"39f7c41c908bc82947ce47cdd021520ff486c53f\",\n                            \"lessThan\": \"d6f0006f194db49c54117ae22146421da5a2ca59\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"39f7c41c908bc82947ce47cdd021520ff486c53f\",\n                            \"lessThan\": \"a866a8a753922cdf7710b8eb3f686dc0efc06505\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"39f7c41c908bc82947ce47cdd021520ff486c53f\",\n                            \"lessThan\": \"75e894f92417390f0ef44fd350f2d3634c784876\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"39f7c41c908bc82947ce47cdd021520ff486c53f\",\n                            \"lessThan\": \"c47a7b11bcb3d45e29723afcf6336866476b1d08\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/trace/trace_events_filter.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.161\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.115\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.59\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.13\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/c43c41ec62ca54ae145aa4912c6692a26d625734","https://git.kernel.org/stable/c/d6f0006f194db49c54117ae22146421da5a2ca59","https://git.kernel.org/stable/c/a866a8a753922cdf7710b8eb3f686dc0efc06505","https://git.kernel.org/stable/c/75e894f92417390f0ef44fd350f2d3634c784876","https://git.kernel.org/stable/c/c47a7b11bcb3d45e29723afcf6336866476b1d08"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-99142","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-99142","identifiers":["CVE-2026-99142"]},"retained":false,"historicalAffected":[]}],"coverage":[]}