{"id":"CVE-2026-89853","revision":"e19b1b95719e449ba1935f417d4f6bb8","records":[{"revision":"e19b1b95719e449ba1935f417d4f6bb8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89853","aliases":[],"title":"scsi: qla2xxx: Fix FCE trace use-after-free during firmware dump","description":"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 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.","state":0,"publishedAt":"2026-09-16T10:31:27.008+00:00","modifiedAt":"2026-10-19T08:53:46.098+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/scsi/qla2xxx/qla_init.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3a5a789494875376d1f8063ec5ecc6beafda2ce1\",\n                            \"lessThan\": \"423487f03e325b8665d20a2a3171fe012b1a4fa9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"73d3d3c66f108bc47922490f8500842530139975\",\n                            \"lessThan\": \"7bd308cd893e8cce023d03a40a2f0adccaff0175\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"57c029cab0d908942e3ed9ff9fd0361144d01944\",\n                            \"lessThan\": \"edc464a4fc96e2720d166e7cc7e7a6827b086760\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"217230bc8796a922d5b15a9a94ec4414b2d2b3e3\",\n                            \"lessThan\": \"6003e79148eca73d7cafb076f5be47e234d543d0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2cf3c3fe9a11aa168e80c966494c58548b9aed5d\",\n                            \"lessThan\": \"ef9b89f6c92274c3670403fd06130ca25f685050\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"841df27d619ee1f5ca6473e15227b39d6136562d\",\n                            \"lessThan\": \"8e7a26931b6111583cfeaf49c068f26524dc3af2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"841df27d619ee1f5ca6473e15227b39d6136562d\",\n                            \"lessThan\": \"41ef7edde27ac87d55ffc703da44e78aa8c2e896\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"841df27d619ee1f5ca6473e15227b39d6136562d\",\n                            \"lessThan\": \"53298efcbbb0f0438366d45cb7ed7e6d93dd5531\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a89872a61b914378591f16e428dd221c5e2059b2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.10.235\",\n                            \"lessThan\": \"5.10.270\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.179\",\n                            \"lessThan\": \"5.15.221\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.129\",\n                            \"lessThan\": \"6.1.188\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.78\",\n                            \"lessThan\": \"6.6.157\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.14\",\n                            \"lessThan\": \"6.12.110\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.13.3\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/scsi/qla2xxx/qla_init.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/423487f03e325b8665d20a2a3171fe012b1a4fa9","https://git.kernel.org/stable/c/7bd308cd893e8cce023d03a40a2f0adccaff0175","https://git.kernel.org/stable/c/edc464a4fc96e2720d166e7cc7e7a6827b086760","https://git.kernel.org/stable/c/6003e79148eca73d7cafb076f5be47e234d543d0","https://git.kernel.org/stable/c/ef9b89f6c92274c3670403fd06130ca25f685050","https://git.kernel.org/stable/c/8e7a26931b6111583cfeaf49c068f26524dc3af2","https://git.kernel.org/stable/c/41ef7edde27ac87d55ffc703da44e78aa8c2e896","https://git.kernel.org/stable/c/53298efcbbb0f0438366d45cb7ed7e6d93dd5531"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89853","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89853","identifiers":["CVE-2026-89853"]},"retained":false,"historicalAffected":[]}],"coverage":[]}