{"id":"CVE-2026-89853","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace use-after-free during firmware dump\n\nqla2x00_free_fce_trace() freed and cleared ha->fce while holding only\nfce_mutex","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace use-after-free during firmware dump\n\nqla2x00_free_fce_trace() freed and cleared ha->fce while holding only\nfce_mutex. The firmware-dump con…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 3a5a789494875376d1f8063ec5ecc6beafda2ce1 < 423487f03e325b8665d20a2a3171fe012b1a4fa9","Linux >= 73d3d3c66f108bc47922490f8500842530139975 < 7bd308cd893e8cce023d03a40a2f0adccaff0175","Linux >= 57c029cab0d908942e3ed9ff9fd0361144d01944 < edc464a4fc96e2720d166e7cc7e7a6827b086760","Linux >= 217230bc8796a922d5b15a9a94ec4414b2d2b3e3 < 6003e79148eca73d7cafb076f5be47e234d543d0","Linux >= 2cf3c3fe9a11aa168e80c966494c58548b9aed5d < ef9b89f6c92274c3670403fd06130ca25f685050","Linux >= 841df27d619ee1f5ca6473e15227b39d6136562d < 8e7a26931b6111583cfeaf49c068f26524dc3af2","Linux >= 841df27d619ee1f5ca6473e15227b39d6136562d < 41ef7edde27ac87d55ffc703da44e78aa8c2e896","Linux >= 841df27d619ee1f5ca6473e15227b39d6136562d < 53298efcbbb0f0438366d45cb7ed7e6d93dd5531","Linux a89872a61b914378591f16e428dd221c5e2059b2","Linux >= 5.10.235 < 5.10.270","Linux >= 5.15.179 < 5.15.221","Linux >= 6.1.129 < 6.1.188","Linux >= 6.6.78 < 6.6.157","Linux >= 6.12.14 < 6.12.110","Linux >= 6.13.3 < 6.14","Linux 6.14"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:16:53.040","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89853","references":[{"url":"https://git.kernel.org/stable/c/41ef7edde27ac87d55ffc703da44e78aa8c2e896","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/423487f03e325b8665d20a2a3171fe012b1a4fa9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/53298efcbbb0f0438366d45cb7ed7e6d93dd5531","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6003e79148eca73d7cafb076f5be47e234d543d0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7bd308cd893e8cce023d03a40a2f0adccaff0175","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8e7a26931b6111583cfeaf49c068f26524dc3af2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/edc464a4fc96e2720d166e7cc7e7a6827b086760","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ef9b89f6c92274c3670403fd06130ca25f685050","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89853.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-89853"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2535198"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89853"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89853"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89853.mbox"},{"url":"https://kernelcve.org/list/?q=CVE-2026-89853"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-16T10:53:53.993Z","epss":0.00216,"epssPercentile":0.11985,"cvss":4.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-416"],"slug":"CVE-2026-89853","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace use-after-free during firmware dump\n\nqla2x00_free_fce_trace() freed and cleared ha->fce while holding only\nfce_mutex. The firmware-dump consumers qla27xx_fwdt_entry_t264() and\nqla25xx_copy_fce() read ha->fce (NULL check followed by a copy of the\nbuffer) under hardware_lock and never take fce_mutex. A debugfs FCE\ndisable could therefore free the DMA buffer between a dump's NULL check\nand its copy, resulting in a use-after-free.\n\nUnpublish ha->fce under hardware_lock, then release the lock and free\nthe DMA buffer (dma_free_coherent() may sleep). A concurrent dump either\ncompletes its check and copy with the buffer still valid, or observes\nha->fce == NULL and skips 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** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89853.json)","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":228585,"id":"CVE-2026-89853","ts":1792844803605,"field":"cvss","old":null,"new":"4.7"},{"seq":228584,"id":"CVE-2026-89853","ts":1792844803605,"field":"severity","old":"none","new":"medium"}]}