{"id":"CVE-2026-92497","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Avoid buffer overread in ath12k_wmi_op_rx()\n\nCurrently, in ath12k_wmi_op_rx(), the firmware buffer is read without\nfirst verifying that the buffer has eno…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Avoid buffer overread in ath12k_wmi_op_rx()\n\nCurrently, in ath12k_wmi_op_rx(), the firmware buffer is read without\nfirst verifying that the buffer has eno…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 9784faa6afd26693287e8e4569bdedee00212909","Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 07659388110de004cbb753f3c7bc85e657e51f7a","Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 95d1bd1db9e9d8eccffc880166e01c4775115716","Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 9e6ec0977f0b9c16fc20efea050e3eea8f66e34b","Linux >= d889913205cf7ebda905b1e62c5867ed4e39f6c2 < 7698656a2f7b045af5a6859766238cefea1b1945","Linux 6.3"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:52.033","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92497","references":[{"url":"https://git.kernel.org/stable/c/07659388110de004cbb753f3c7bc85e657e51f7a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7698656a2f7b045af5a6859766238cefea1b1945","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/95d1bd1db9e9d8eccffc880166e01c4775115716","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9784faa6afd26693287e8e4569bdedee00212909","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9e6ec0977f0b9c16fc20efea050e3eea8f66e34b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92497.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92497"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536588"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92497"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92497"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-92497.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-17T16:21:47.782Z","epss":0.00168,"epssPercentile":0.05977,"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-125"],"slug":"CVE-2026-92497","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Avoid buffer overread in ath12k_wmi_op_rx()\n\nCurrently, in ath12k_wmi_op_rx(), the firmware buffer is read without\nfirst verifying that the buffer has enough data to hold a header. This\ncould result in a buffer overread.\n\nUpdate the logic to verify the buffer contains at least enough data to\nhold a wmi_cmd_hdr before reading from the buffer.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.1.c7-00108-QCAHMTSWPL_V1.0_V2.0_SILICONZ_UPSTREAM-3\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** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, 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-2026-92497.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225545,"id":"CVE-2026-92497","ts":1792498291575,"field":"cvss","old":null,"new":"5.5"},{"seq":225544,"id":"CVE-2026-92497","ts":1792498291575,"field":"severity","old":"none","new":"medium"}]}