{"id":"CVE-2026-89851","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace enable parsing in debugfs\n\nqla2x00_dfs_fce_write() called kstrtoul() with a NULL result pointer,\nso a successful parse would dereference NU…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace enable parsing in debugfs\n\nqla2x00_dfs_fce_write() called kstrtoul() with a NULL result pointer,\nso a successful parse would dereference NU…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 3a5a789494875376d1f8063ec5ecc6beafda2ce1 < b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f","Linux >= 73d3d3c66f108bc47922490f8500842530139975 < 9932cbd0b49d0a5ab8378d32650ffb51604ffa35","Linux >= 57c029cab0d908942e3ed9ff9fd0361144d01944 < f5e245164d187d1ee227140c8b2e83b67f59c1fd","Linux >= 217230bc8796a922d5b15a9a94ec4414b2d2b3e3 < 5762d992dddaf301e7fb78f797de407116847121","Linux >= 2cf3c3fe9a11aa168e80c966494c58548b9aed5d < eff41f50461c238bd2c5cd20672a5b53e68d493a","Linux >= 841df27d619ee1f5ca6473e15227b39d6136562d < 7203d4aed8f444e7376c2dee8d93577b37cf9989","Linux >= 841df27d619ee1f5ca6473e15227b39d6136562d < aac0d3cb9199121d2ce5906e06f94b793fac1052","Linux >= 841df27d619ee1f5ca6473e15227b39d6136562d < b7368687e3d11f51392d3c4774ec0263d5fbf31f","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":"2026-09-16T11:16:52.757","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89851","references":[{"url":"https://git.kernel.org/stable/c/5762d992dddaf301e7fb78f797de407116847121","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7203d4aed8f444e7376c2dee8d93577b37cf9989","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9932cbd0b49d0a5ab8378d32650ffb51604ffa35","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aac0d3cb9199121d2ce5906e06f94b793fac1052","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b7368687e3d11f51392d3c4774ec0263d5fbf31f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eff41f50461c238bd2c5cd20672a5b53e68d493a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f5e245164d187d1ee227140c8b2e83b67f59c1fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.994Z","epss":0.0022,"epssPercentile":0.1104,"slug":"CVE-2026-89851","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix FCE trace enable parsing in debugfs\n\nqla2x00_dfs_fce_write() called kstrtoul() with a NULL result pointer,\nso a successful parse would dereference NULL and oops. Worse, the int\nreturn value (0 on success, negative errno on failure) was assigned to\nthe unsigned long enable flag, inverting the intended logic: a valid\nnumber was treated as \"disable\" while a parse failure enabled FCE.\n\nParse the value into enable and propagate parse errors to userspace.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}