{"id":"CVE-2026-98048","revision":"bc29c07f6a76415b89e58423bd753f66","records":[{"revision":"bc29c07f6a76415b89e58423bd753f66","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98048","aliases":[],"title":"bpf: don't rewrite bpf_fastcall patterns entered by a jump","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.","state":0,"publishedAt":"2026-09-25T10:23:57.956+00:00","modifiedAt":"2026-10-21T12:54:15.043+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                        \"include/linux/bpf_verifier.h\",\n                        \"kernel/bpf/cfg.c\",\n                        \"kernel/bpf/verifier.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5b5f51bff1b66cedb62b5ba74a1878341204e057\",\n                            \"lessThan\": \"a0cd1c3ac63504ba3c50c01a00c11812919b619f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5b5f51bff1b66cedb62b5ba74a1878341204e057\",\n                            \"lessThan\": \"c4d3bdb3ab211dcfad734b02e06fcb12adb4757f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5b5f51bff1b66cedb62b5ba74a1878341204e057\",\n                            \"lessThan\": \"24adbc2c3bbe3385ce922587e1f8e837a68b3e25\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5b5f51bff1b66cedb62b5ba74a1878341204e057\",\n                            \"lessThan\": \"0b1c83dc3c4401cd7e846548f62e3caf3d06742e\",\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                        \"include/linux/bpf_verifier.h\",\n                        \"kernel/bpf/cfg.c\",\n                        \"kernel/bpf/verifier.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\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/a0cd1c3ac63504ba3c50c01a00c11812919b619f","https://git.kernel.org/stable/c/c4d3bdb3ab211dcfad734b02e06fcb12adb4757f","https://git.kernel.org/stable/c/24adbc2c3bbe3385ce922587e1f8e837a68b3e25","https://git.kernel.org/stable/c/0b1c83dc3c4401cd7e846548f62e3caf3d06742e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98048","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98048","identifiers":["CVE-2026-98048"]},"retained":false,"historicalAffected":[]}],"coverage":[]}