{"id":"CVE-2026-89858","revision":"b8de3155e77b42029b553757d5a46b2d","records":[{"revision":"b8de3155e77b42029b553757d5a46b2d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89858","aliases":[],"title":"scsi: qla2xxx: Bound image count in qla2x00_update_fru_versions()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Bound image count in qla2x00_update_fru_versions()\n\nqla2x00_update_fru_versions() copies the user-supplied BSG request into\na fixed 256-byte stack buffer (bsg[DMA_POOL_SIZE]) and then iterates\nlist->count times over the qla_image_version array embedded in that\nbuffer, advancing the image pointer each iteration. count is taken\ndirectly from user input with no upper bound, while only (DMA_POOL_SIZE\n- sizeof(list->count)) / sizeof(struct qla_image_version) = 6 entries\nactually fit. A larger count walks the image pointer off the end of the\nstack buffer, reading adjacent kernel stack memory and sending it to the\ndevice via qla2x00_write_sfp().\n\nReject requests whose declared count does not fit in the buffer.","state":0,"publishedAt":"2026-09-16T10:31:30.876+00:00","modifiedAt":"2026-10-19T08:53:50.969+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_bsg.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"af733bbfcf667af1871a2735fba2835b0da71efb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"a9706d5e754e77515a92bb532bd0d73644979a1f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"7e3154c97ec15460f715dbbe4097c255cce110b1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"047f1f7ee6f85bde28abfdda9fa550191ddc0532\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"f93e8039e6fd54a3c027c6184daf00b745b576a0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"7b22b4cb8822805cef7ba618da6f76e1474d68bd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"f2d4f025b67fcbfb2bbbadd3b5a6a43c4b436514\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"697a4bc69159c3396035b0506ffa55c4b2d0b1f4\",\n                            \"lessThan\": \"de62cf265dbe309f34f144a6cdbca9240317727e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\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_bsg.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.2\",\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/af733bbfcf667af1871a2735fba2835b0da71efb","https://git.kernel.org/stable/c/a9706d5e754e77515a92bb532bd0d73644979a1f","https://git.kernel.org/stable/c/7e3154c97ec15460f715dbbe4097c255cce110b1","https://git.kernel.org/stable/c/047f1f7ee6f85bde28abfdda9fa550191ddc0532","https://git.kernel.org/stable/c/f93e8039e6fd54a3c027c6184daf00b745b576a0","https://git.kernel.org/stable/c/7b22b4cb8822805cef7ba618da6f76e1474d68bd","https://git.kernel.org/stable/c/f2d4f025b67fcbfb2bbbadd3b5a6a43c4b436514","https://git.kernel.org/stable/c/de62cf265dbe309f34f144a6cdbca9240317727e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89858","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89858","identifiers":["CVE-2026-89858"]},"retained":false,"historicalAffected":[]}],"coverage":[]}