{"schema":"threatline.record/2","record":{"id":"CVE-2026-98048","aliases":[],"summary":"bpf: don't rewrite bpf_fastcall patterns entered by a jump","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: don't rewrite bpf_fastcall patterns entered by a jump\n\nmark_fastcall_pattern_for_call() must ensure that matched\n\"spill; call; fill\" instruction series is not interrupted by a jump.\nOtherwise the rewrite applied by bpf_remove_fastcall_spills_fills()\nis not sound.\n\nRecord the instructions targeted by jumps in\ninsn_aux_data[*].jump_target when the CFG is built and use this flag\nto stop growing a pattern at such an instruction. Jumps to the first\nspill are fine.\n\nNote that existing insn_aux_data[*].jmp_point field can't be reused,\nas it marks subprogram return instructions.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98048","source_modified_at":"2026-10-21T12:54:15.043Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5b5f51bff1b66cedb62b5ba74a1878341204e057","lessThan":"a0cd1c3ac63504ba3c50c01a00c11812919b619f","status":"affected","versionType":"git"},{"version":"5b5f51bff1b66cedb62b5ba74a1878341204e057","lessThan":"c4d3bdb3ab211dcfad734b02e06fcb12adb4757f","status":"affected","versionType":"git"},{"version":"5b5f51bff1b66cedb62b5ba74a1878341204e057","lessThan":"24adbc2c3bbe3385ce922587e1f8e837a68b3e25","status":"affected","versionType":"git"},{"version":"5b5f51bff1b66cedb62b5ba74a1878341204e057","lessThan":"0b1c83dc3c4401cd7e846548f62e3caf3d06742e","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98048","source_modified_at":"2026-10-21T12:54:15.043Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.12","status":"affected"},{"version":"0","lessThan":"6.12","status":"unaffected","versionType":"semver"},{"version":"6.12.114","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.57","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98048","source_modified_at":"2026-10-21T12:54:15.043Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"24adbc2c3bbe3385ce922587e1f8e837a68b3e25","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98048","source_modified_at":"2026-10-21T12:54:15.043Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0b1c83dc3c4401cd7e846548f62e3caf3d06742e","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00168,"percentile":0.05746,"score_date":"2026-10-23"},"published_at":"2026-09-25T10:23:57.956Z","modified_at":"2026-10-21T12:54:15.043Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98048","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:54:15.043Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98048","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/a0cd1c3ac63504ba3c50c01a00c11812919b619f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c4d3bdb3ab211dcfad734b02e06fcb12adb4757f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/24adbc2c3bbe3385ce922587e1f8e837a68b3e25"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/0b1c83dc3c4401cd7e846548f62e3caf3d06742e"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T12:54:15.043Z","content_hash":"545d8aa1d83b7f2b6c2a1ff583b622f20674e4e55cf99f81ea1353dcd437897e"}}