{"id":"CVE-2026-98048","published":"2026-09-25T11:17:33.663","lastModified":"2026-09-25T11:17:33.663","description":"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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/0b1c83dc3c4401cd7e846548f62e3caf3d06742e","tags":[]},{"url":"https://git.kernel.org/stable/c/24adbc2c3bbe3385ce922587e1f8e837a68b3e25","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}