{"id":"CVE-2026-72402","state":"PUBLISHED","title":"bpf: Mask pseudo pointer values in verifier logs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Mask pseudo pointer values in verifier logs\n\nprint_bpf_insn() masks ldimm64 immediates for pointer-bearing pseudo\nsources when pointer leaks are not allowed, but the mask only covers\nBPF_PSEUDO_MAP_FD and BPF_PSEUDO_MAP_VALUE.\n\nBPF_PSEUDO_MAP_IDX, BPF_PSEUDO_MAP_IDX_VALUE, and BPF_PSEUDO_BTF_ID can\nalso be resolved to kernel pointer values before the verifier log prints\nthe instruction. Include them in the existing pointer classification so\nthe log prints 0x0 instead of the rewritten address.","publishedAt":"2026-08-15T05:56:26.816Z","updatedAt":"2026-10-03T10:55:51.170Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"b767a5d7c6cb595f9feb00b5af96191a59efca26","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"6181239115e19cda4b483a2604193a9379cbd28f","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"c727b3d50ecb0f4992a964360771040a84026914","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"b96cb1235fcaa687291b1e1d910f0930d1939919","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"1c53d16b174dd9e02243fc0e85089e2aa6a0d21a","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"72a85e9464a5332fb2cd7efd26d9295275ceda2d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/disasm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/disasm.c"]}],"references":["https://git.kernel.org/stable/c/b767a5d7c6cb595f9feb00b5af96191a59efca26","https://git.kernel.org/stable/c/6181239115e19cda4b483a2604193a9379cbd28f","https://git.kernel.org/stable/c/c727b3d50ecb0f4992a964360771040a84026914","https://git.kernel.org/stable/c/b96cb1235fcaa687291b1e1d910f0930d1939919","https://git.kernel.org/stable/c/1c53d16b174dd9e02243fc0e85089e2aa6a0d21a","https://git.kernel.org/stable/c/72a85e9464a5332fb2cd7efd26d9295275ceda2d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72402.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72402","state":"PUBLISHED","datePublished":"2026-08-15T05:56:26.816Z","dateUpdated":"2026-10-03T10:55:51.170Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.925Z"},"containers":{"cna":{"title":"bpf: Mask pseudo pointer values in verifier logs","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Mask pseudo pointer values in verifier logs\n\nprint_bpf_insn() masks ldimm64 immediates for pointer-bearing pseudo\nsources when pointer leaks are not allowed, but the mask only covers\nBPF_PSEUDO_MAP_FD and BPF_PSEUDO_MAP_VALUE.\n\nBPF_PSEUDO_MAP_IDX, BPF_PSEUDO_MAP_IDX_VALUE, and BPF_PSEUDO_BTF_ID can\nalso be resolved to kernel pointer values before the verifier log prints\nthe instruction. Include them in the existing pointer classification so\nthe log prints 0x0 instead of the rewritten address."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"b767a5d7c6cb595f9feb00b5af96191a59efca26","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"6181239115e19cda4b483a2604193a9379cbd28f","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"c727b3d50ecb0f4992a964360771040a84026914","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"b96cb1235fcaa687291b1e1d910f0930d1939919","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"1c53d16b174dd9e02243fc0e85089e2aa6a0d21a","versionType":"git"},{"version":"4976b718c3551faba2c0616ef55ebeb74db1c5ca","status":"affected","lessThan":"72a85e9464a5332fb2cd7efd26d9295275ceda2d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/disasm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/bpf/disasm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b767a5d7c6cb595f9feb00b5af96191a59efca26"},{"url":"https://git.kernel.org/stable/c/6181239115e19cda4b483a2604193a9379cbd28f"},{"url":"https://git.kernel.org/stable/c/c727b3d50ecb0f4992a964360771040a84026914"},{"url":"https://git.kernel.org/stable/c/b96cb1235fcaa687291b1e1d910f0930d1939919"},{"url":"https://git.kernel.org/stable/c/1c53d16b174dd9e02243fc0e85089e2aa6a0d21a"},{"url":"https://git.kernel.org/stable/c/72a85e9464a5332fb2cd7efd26d9295275ceda2d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-03T10:55:51.170Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}