{"id":"CVE-2026-98572","revision":"564945acf0384ffcabc1ecd0f097c756","records":[{"revision":"564945acf0384ffcabc1ecd0f097c756","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98572","aliases":[],"title":"bpf: Fix immediate JMP JEQ/JNE on MIPS32","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix immediate JMP JEQ/JNE on MIPS32\n\nAn addu instruction was emitted instead of addiu, causing the immediate\nvalue 1 to be interpreted as register $at. This made the comparison\nresult invalid when the immediate operand was negative. Note that $at\nis mapped to BPF_REG_AX, which is used for constant blinding.\n\nFix the instruction to use the immediate form.\n\nFound with test_bpf on MIPS32r1 emulated by QEMU.","state":0,"publishedAt":"2026-10-18T15:18:38.105+00:00","modifiedAt":"2026-10-19T09:21:57.711+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                        \"arch/mips/net/bpf_jit_comp32.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"eb63cfcd2ee8ec3805f6881f43341f589c3d2278\",\n                            \"lessThan\": \"1547e9f3a7d71971216e6dba30270cae13fe4e02\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eb63cfcd2ee8ec3805f6881f43341f589c3d2278\",\n                            \"lessThan\": \"beeae92e70e705e90a0d6d9b3b8498ee3b92f495\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eb63cfcd2ee8ec3805f6881f43341f589c3d2278\",\n                            \"lessThan\": \"6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eb63cfcd2ee8ec3805f6881f43341f589c3d2278\",\n                            \"lessThan\": \"876ef04c75c2751acfd355606fca3eced71dec65\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eb63cfcd2ee8ec3805f6881f43341f589c3d2278\",\n                            \"lessThan\": \"1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eb63cfcd2ee8ec3805f6881f43341f589c3d2278\",\n                            \"lessThan\": \"db762fd96be225bd06161c9631160c755d891693\",\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                        \"arch/mips/net/bpf_jit_comp32.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.112\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.55\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\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/1547e9f3a7d71971216e6dba30270cae13fe4e02","https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495","https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0","https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65","https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8","https://git.kernel.org/stable/c/db762fd96be225bd06161c9631160c755d891693"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98572","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98572","identifiers":["CVE-2026-98572"]},"retained":false,"historicalAffected":[]}],"coverage":[]}