{"id":"CVE-2026-92523","title":"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()","summary":"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(). Th…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 3c3c1f1416392382faa0238e76a70d7810aab2ef < 7828d68ae8cad3463e38def5c91668c84e722596","Linux >= 3c3c1f1416392382faa0238e76a70d7810aab2ef < f8e9315236c8b5155158c6955a758e7960b143e6","Linux >= 3c3c1f1416392382faa0238e76a70d7810aab2ef < d00b0d808ca706a04bd198827319a4a287eff82a","Linux >= 3c3c1f1416392382faa0238e76a70d7810aab2ef < 0bfa897e3e1a61d172f95675b353168bc9290312","Linux >= 3c3c1f1416392382faa0238e76a70d7810aab2ef < c57e238b475e8e1e514499772b8c0db5768be93f","Linux >= 3c3c1f1416392382faa0238e76a70d7810aab2ef < 74f49255492a62658f36bf2578d7916f1c6ffad1","Linux 5.16"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:55.283","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92523","references":[{"url":"https://git.kernel.org/stable/c/0bfa897e3e1a61d172f95675b353168bc9290312","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/74f49255492a62658f36bf2578d7916f1c6ffad1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7828d68ae8cad3463e38def5c91668c84e722596","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c57e238b475e8e1e514499772b8c0db5768be93f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d00b0d808ca706a04bd198827319a4a287eff82a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f8e9315236c8b5155158c6955a758e7960b143e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92523.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92523"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536225"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92523"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92523"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-92523.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-17T16:21:47.775Z","epss":0.00173,"epssPercentile":0.06647,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-805"],"slug":"CVE-2026-92523","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92523.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225469,"id":"CVE-2026-92523","ts":1792498262238,"field":"cvss","old":null,"new":"5.5"},{"seq":225468,"id":"CVE-2026-92523","ts":1792498262238,"field":"severity","old":"none","new":"medium"}]}