{"id":"CVE-2026-92523","state":"PUBLISHED","title":"RDMA/nldev: validate dynamic counter attribute length","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/nldev: validate dynamic counter attribute length\n\nRDMA_NLDEV_ATTR_STAT_HWCOUNTERS is a nested attribute whose children are\nconsumed directly with nla_get_u32(). The top-level policy validates only\nthe container, so it does not establish the fixed shape of each child.\n\nRequire every child payload to be exactly one u32 before reading it.","publishedAt":"2026-09-17T16:10:29.474Z","updatedAt":"2026-10-19T09:04:29.518Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"7828d68ae8cad3463e38def5c91668c84e722596","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"f8e9315236c8b5155158c6955a758e7960b143e6","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"d00b0d808ca706a04bd198827319a4a287eff82a","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"0bfa897e3e1a61d172f95675b353168bc9290312","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"c57e238b475e8e1e514499772b8c0db5768be93f","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"74f49255492a62658f36bf2578d7916f1c6ffad1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/nldev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","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":["drivers/infiniband/core/nldev.c"]}],"references":["https://git.kernel.org/stable/c/7828d68ae8cad3463e38def5c91668c84e722596","https://git.kernel.org/stable/c/f8e9315236c8b5155158c6955a758e7960b143e6","https://git.kernel.org/stable/c/d00b0d808ca706a04bd198827319a4a287eff82a","https://git.kernel.org/stable/c/0bfa897e3e1a61d172f95675b353168bc9290312","https://git.kernel.org/stable/c/c57e238b475e8e1e514499772b8c0db5768be93f","https://git.kernel.org/stable/c/74f49255492a62658f36bf2578d7916f1c6ffad1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92523.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92523","state":"PUBLISHED","datePublished":"2026-09-17T16:10:29.474Z","dateUpdated":"2026-10-19T09:04:29.518Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-16T12:21:13.874Z"},"containers":{"cna":{"title":"RDMA/nldev: validate dynamic counter attribute length","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/nldev: validate dynamic counter attribute length\n\nRDMA_NLDEV_ATTR_STAT_HWCOUNTERS is a nested attribute whose children are\nconsumed directly with nla_get_u32(). The top-level policy validates only\nthe container, so it does not establish the fixed shape of each child.\n\nRequire every child payload to be exactly one u32 before reading it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"7828d68ae8cad3463e38def5c91668c84e722596","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"f8e9315236c8b5155158c6955a758e7960b143e6","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"d00b0d808ca706a04bd198827319a4a287eff82a","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"0bfa897e3e1a61d172f95675b353168bc9290312","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"c57e238b475e8e1e514499772b8c0db5768be93f","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"74f49255492a62658f36bf2578d7916f1c6ffad1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/nldev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","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":["drivers/infiniband/core/nldev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7828d68ae8cad3463e38def5c91668c84e722596"},{"url":"https://git.kernel.org/stable/c/f8e9315236c8b5155158c6955a758e7960b143e6"},{"url":"https://git.kernel.org/stable/c/d00b0d808ca706a04bd198827319a4a287eff82a"},{"url":"https://git.kernel.org/stable/c/0bfa897e3e1a61d172f95675b353168bc9290312"},{"url":"https://git.kernel.org/stable/c/c57e238b475e8e1e514499772b8c0db5768be93f"},{"url":"https://git.kernel.org/stable/c/74f49255492a62658f36bf2578d7916f1c6ffad1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:04:29.518Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}