{"id":"CVE-2026-92519","state":"PUBLISHED","title":"riscv, bpf: Fix memory leak in bpf_jit_free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv, bpf: Fix memory leak in bpf_jit_free\n\nWhen bpf_int_jit_compile() is called for subprograms, it returns early\nduring the first pass (!prog->is_func || extra_pass is false), keeping\nctx->offset alive for the subsequent extra pass.\n\nIf JIT compilation fails for a later subprogram, the BPF core aborts\nand calls bpf_jit_free() to clean up the first subprogram. However,\nbpf_jit_free() fails to free jit_data->ctx.offset, which causes a\nmemory leak of the JIT context offsets array.\n\nFix this by adding the missing kfree(jit_data->ctx.offset) in\nbpf_jit_free().","publishedAt":"2026-09-17T16:10:26.791Z","updatedAt":"2026-10-21T12:51:45.726Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"7285f004293e7dc043c55369c0dbe8350b28cc45","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"b594c23f584ab032a5eae809eee81b809dd27330","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"5cadc66b534fe8140441916200a20c7efb06a388","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"2a3a29e90021806ea00527f6458cfd2edb58b42a","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"369e4635d04801f394d5bd42556f21029e95ff93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/net/bpf_jit_core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/net/bpf_jit_core.c"]}],"references":["https://git.kernel.org/stable/c/7285f004293e7dc043c55369c0dbe8350b28cc45","https://git.kernel.org/stable/c/b594c23f584ab032a5eae809eee81b809dd27330","https://git.kernel.org/stable/c/5cadc66b534fe8140441916200a20c7efb06a388","https://git.kernel.org/stable/c/2a3a29e90021806ea00527f6458cfd2edb58b42a","https://git.kernel.org/stable/c/369e4635d04801f394d5bd42556f21029e95ff93"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92519.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92519","state":"PUBLISHED","datePublished":"2026-09-17T16:10:26.791Z","dateUpdated":"2026-10-21T12:51:45.726Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-16T12:21:13.874Z"},"containers":{"cna":{"title":"riscv, bpf: Fix memory leak in bpf_jit_free","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv, bpf: Fix memory leak in bpf_jit_free\n\nWhen bpf_int_jit_compile() is called for subprograms, it returns early\nduring the first pass (!prog->is_func || extra_pass is false), keeping\nctx->offset alive for the subsequent extra pass.\n\nIf JIT compilation fails for a later subprogram, the BPF core aborts\nand calls bpf_jit_free() to clean up the first subprogram. However,\nbpf_jit_free() fails to free jit_data->ctx.offset, which causes a\nmemory leak of the JIT context offsets array.\n\nFix this by adding the missing kfree(jit_data->ctx.offset) in\nbpf_jit_free()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"7285f004293e7dc043c55369c0dbe8350b28cc45","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"b594c23f584ab032a5eae809eee81b809dd27330","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"5cadc66b534fe8140441916200a20c7efb06a388","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"2a3a29e90021806ea00527f6458cfd2edb58b42a","versionType":"git"},{"version":"48a8f78c50bd6f7f08fd40daa62252fd043f2f18","status":"affected","lessThan":"369e4635d04801f394d5bd42556f21029e95ff93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/net/bpf_jit_core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.6","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/net/bpf_jit_core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7285f004293e7dc043c55369c0dbe8350b28cc45"},{"url":"https://git.kernel.org/stable/c/b594c23f584ab032a5eae809eee81b809dd27330"},{"url":"https://git.kernel.org/stable/c/5cadc66b534fe8140441916200a20c7efb06a388"},{"url":"https://git.kernel.org/stable/c/2a3a29e90021806ea00527f6458cfd2edb58b42a"},{"url":"https://git.kernel.org/stable/c/369e4635d04801f394d5bd42556f21029e95ff93"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:51:45.726Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}