{"id":"CVE-2026-89851","state":"PUBLISHED","title":"scsi: qla2xxx: Fix FCE trace enable parsing in debugfs","description":"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 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.","publishedAt":"2026-09-16T10:31:25.069Z","updatedAt":"2026-10-19T08:53:44.152Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a5a789494875376d1f8063ec5ecc6beafda2ce1","status":"affected","lessThan":"b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f","versionType":"git"},{"version":"73d3d3c66f108bc47922490f8500842530139975","status":"affected","lessThan":"9932cbd0b49d0a5ab8378d32650ffb51604ffa35","versionType":"git"},{"version":"57c029cab0d908942e3ed9ff9fd0361144d01944","status":"affected","lessThan":"f5e245164d187d1ee227140c8b2e83b67f59c1fd","versionType":"git"},{"version":"217230bc8796a922d5b15a9a94ec4414b2d2b3e3","status":"affected","lessThan":"5762d992dddaf301e7fb78f797de407116847121","versionType":"git"},{"version":"2cf3c3fe9a11aa168e80c966494c58548b9aed5d","status":"affected","lessThan":"eff41f50461c238bd2c5cd20672a5b53e68d493a","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"7203d4aed8f444e7376c2dee8d93577b37cf9989","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"aac0d3cb9199121d2ce5906e06f94b793fac1052","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"b7368687e3d11f51392d3c4774ec0263d5fbf31f","versionType":"git"},{"version":"a89872a61b914378591f16e428dd221c5e2059b2","status":"affected","versionType":"git"},{"version":"5.10.235","status":"affected","lessThan":"5.10.270","versionType":"semver"},{"version":"5.15.179","status":"affected","lessThan":"5.15.221","versionType":"semver"},{"version":"6.1.129","status":"affected","lessThan":"6.1.188","versionType":"semver"},{"version":"6.6.78","status":"affected","lessThan":"6.6.157","versionType":"semver"},{"version":"6.12.14","status":"affected","lessThan":"6.12.110","versionType":"semver"},{"version":"6.13.3","status":"affected","lessThan":"6.14","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_dfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","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":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","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/scsi/qla2xxx/qla_dfs.c"]}],"references":["https://git.kernel.org/stable/c/b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f","https://git.kernel.org/stable/c/9932cbd0b49d0a5ab8378d32650ffb51604ffa35","https://git.kernel.org/stable/c/f5e245164d187d1ee227140c8b2e83b67f59c1fd","https://git.kernel.org/stable/c/5762d992dddaf301e7fb78f797de407116847121","https://git.kernel.org/stable/c/eff41f50461c238bd2c5cd20672a5b53e68d493a","https://git.kernel.org/stable/c/7203d4aed8f444e7376c2dee8d93577b37cf9989","https://git.kernel.org/stable/c/aac0d3cb9199121d2ce5906e06f94b793fac1052","https://git.kernel.org/stable/c/b7368687e3d11f51392d3c4774ec0263d5fbf31f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/89xxx/CVE-2026-89851.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89851","state":"PUBLISHED","datePublished":"2026-09-16T10:31:25.069Z","dateUpdated":"2026-10-19T08:53:44.152Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.770Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Fix FCE trace enable parsing in debugfs","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a5a789494875376d1f8063ec5ecc6beafda2ce1","status":"affected","lessThan":"b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f","versionType":"git"},{"version":"73d3d3c66f108bc47922490f8500842530139975","status":"affected","lessThan":"9932cbd0b49d0a5ab8378d32650ffb51604ffa35","versionType":"git"},{"version":"57c029cab0d908942e3ed9ff9fd0361144d01944","status":"affected","lessThan":"f5e245164d187d1ee227140c8b2e83b67f59c1fd","versionType":"git"},{"version":"217230bc8796a922d5b15a9a94ec4414b2d2b3e3","status":"affected","lessThan":"5762d992dddaf301e7fb78f797de407116847121","versionType":"git"},{"version":"2cf3c3fe9a11aa168e80c966494c58548b9aed5d","status":"affected","lessThan":"eff41f50461c238bd2c5cd20672a5b53e68d493a","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"7203d4aed8f444e7376c2dee8d93577b37cf9989","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"aac0d3cb9199121d2ce5906e06f94b793fac1052","versionType":"git"},{"version":"841df27d619ee1f5ca6473e15227b39d6136562d","status":"affected","lessThan":"b7368687e3d11f51392d3c4774ec0263d5fbf31f","versionType":"git"},{"version":"a89872a61b914378591f16e428dd221c5e2059b2","status":"affected","versionType":"git"},{"version":"5.10.235","status":"affected","lessThan":"5.10.270","versionType":"semver"},{"version":"5.15.179","status":"affected","lessThan":"5.15.221","versionType":"semver"},{"version":"6.1.129","status":"affected","lessThan":"6.1.188","versionType":"semver"},{"version":"6.6.78","status":"affected","lessThan":"6.6.157","versionType":"semver"},{"version":"6.12.14","status":"affected","lessThan":"6.12.110","versionType":"semver"},{"version":"6.13.3","status":"affected","lessThan":"6.14","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_dfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","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":"6.18.51","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.5","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/scsi/qla2xxx/qla_dfs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b0c08c08a08b6cca0e7e192bcbe0514e41fcc55f"},{"url":"https://git.kernel.org/stable/c/9932cbd0b49d0a5ab8378d32650ffb51604ffa35"},{"url":"https://git.kernel.org/stable/c/f5e245164d187d1ee227140c8b2e83b67f59c1fd"},{"url":"https://git.kernel.org/stable/c/5762d992dddaf301e7fb78f797de407116847121"},{"url":"https://git.kernel.org/stable/c/eff41f50461c238bd2c5cd20672a5b53e68d493a"},{"url":"https://git.kernel.org/stable/c/7203d4aed8f444e7376c2dee8d93577b37cf9989"},{"url":"https://git.kernel.org/stable/c/aac0d3cb9199121d2ce5906e06f94b793fac1052"},{"url":"https://git.kernel.org/stable/c/b7368687e3d11f51392d3c4774ec0263d5fbf31f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:53:44.152Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.235","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.179","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.129","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.78","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.14","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"7.2.5"},{"vu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