{"api_version":"1","generated_at":"2026-10-22T01:49:02+00:00","cve":"CVE-2026-98572","urls":{"html":"https://cve.report/CVE-2026-98572","api":"https://cve.report/api/cve/CVE-2026-98572.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98572","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98572"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:09","updated_at":"2026-10-19 10:19:15"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0","name":"https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/db762fd96be225bd06161c9631160c755d891693","name":"https://git.kernel.org/stable/c/db762fd96be225bd06161c9631160c755d891693","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65","name":"https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8","name":"https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02","name":"https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495","name":"https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98572","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98572","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eb63cfcd2ee8ec3805f6881f43341f589c3d2278 1547e9f3a7d71971216e6dba30270cae13fe4e02 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eb63cfcd2ee8ec3805f6881f43341f589c3d2278 beeae92e70e705e90a0d6d9b3b8498ee3b92f495 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eb63cfcd2ee8ec3805f6881f43341f589c3d2278 6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eb63cfcd2ee8ec3805f6881f43341f589c3d2278 876ef04c75c2751acfd355606fca3eced71dec65 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eb63cfcd2ee8ec3805f6881f43341f589c3d2278 1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eb63cfcd2ee8ec3805f6881f43341f589c3d2278 db762fd96be225bd06161c9631160c755d891693 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.16","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.16 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.189 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.158 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.55 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.9 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/mips/net/bpf_jit_comp32.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1547e9f3a7d71971216e6dba30270cae13fe4e02","status":"affected","version":"eb63cfcd2ee8ec3805f6881f43341f589c3d2278","versionType":"git"},{"lessThan":"beeae92e70e705e90a0d6d9b3b8498ee3b92f495","status":"affected","version":"eb63cfcd2ee8ec3805f6881f43341f589c3d2278","versionType":"git"},{"lessThan":"6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0","status":"affected","version":"eb63cfcd2ee8ec3805f6881f43341f589c3d2278","versionType":"git"},{"lessThan":"876ef04c75c2751acfd355606fca3eced71dec65","status":"affected","version":"eb63cfcd2ee8ec3805f6881f43341f589c3d2278","versionType":"git"},{"lessThan":"1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8","status":"affected","version":"eb63cfcd2ee8ec3805f6881f43341f589c3d2278","versionType":"git"},{"lessThan":"db762fd96be225bd06161c9631160c755d891693","status":"affected","version":"eb63cfcd2ee8ec3805f6881f43341f589c3d2278","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["arch/mips/net/bpf_jit_comp32.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.16"},{"lessThan":"5.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.189","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.158","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.55","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.189","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.158","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.55","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.9","versionStartIncluding":"5.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"5.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:21:57.711Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02"},{"url":"https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495"},{"url":"https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0"},{"url":"https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65"},{"url":"https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8"},{"url":"https://git.kernel.org/stable/c/db762fd96be225bd06161c9631160c755d891693"}],"title":"bpf: Fix immediate JMP JEQ/JNE on MIPS32","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98572","datePublished":"2026-10-18T15:18:38.105Z","dateReserved":"2026-09-25T10:25:14.357Z","dateUpdated":"2026-10-19T09:21:57.711Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:09","lastModifiedDate":"2026-10-19 10:19:15","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98572","Ordinal":"1","Title":"bpf: Fix immediate JMP JEQ/JNE on MIPS32","CVE":"CVE-2026-98572","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98572","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"bpf: Fix immediate JMP JEQ/JNE on MIPS32"}]}}}