{"id":"CVE-2025-37759","revision":"a3d3f02177f5486c8e390c258cb3ecc1","records":[{"revision":"a3d3f02177f5486c8e390c258cb3ecc1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-37759","aliases":[],"title":"ublk: fix handling recovery & reissue in ublk_abort_queue()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nublk: fix handling recovery & reissue in ublk_abort_queue()\n\nCommit 8284066946e6 (\"ublk: grab request reference when the request is handled\nby userspace\") doesn't grab request reference in case of recovery reissue.\nThen the request can be requeued & re-dispatch & failed when canceling\nuring command.\n\nIf it is one zc request, the request can be freed before io_uring\nreturns the zc buffer back, then cause kernel panic:\n\n[  126.773061] BUG: kernel NULL pointer dereference, address: 00000000000000c8\n[  126.773657] #PF: supervisor read access in kernel mode\n[  126.774052] #PF: error_code(0x0000) - not-present page\n[  126.774455] PGD 0 P4D 0\n[  126.774698] Oops: Oops: 0000 [#1] SMP NOPTI\n[  126.775034] CPU: 13 UID: 0 PID: 1612 Comm: kworker/u64:55 Not tainted 6.14.0_blk+ #182 PREEMPT(full)\n[  126.775676] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-1.fc39 04/01/2014\n[  126.776275] Workqueue: iou_exit io_ring_exit_work\n[  126.776651] RIP: 0010:ublk_io_release+0x14/0x130 [ublk_drv]\n\nFixes it by always grabbing request reference for aborting the request.","state":0,"publishedAt":"2025-05-01T12:56:03.462+00:00","modifiedAt":"2026-10-21T12:36:27.136+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/block/ublk_drv.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8284066946e6d9cc979566ce698fe24e7ca0b31e\",\n                            \"lessThan\": \"ab41bf5a211fbec3a85e025658ed90a911ccb692\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8284066946e6d9cc979566ce698fe24e7ca0b31e\",\n                            \"lessThan\": \"caa5c8a2358604f38bf0a4afaa5eacda13763067\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8284066946e6d9cc979566ce698fe24e7ca0b31e\",\n                            \"lessThan\": \"5d34a30efac9c9c93e150130caa940c0df6053c1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8284066946e6d9cc979566ce698fe24e7ca0b31e\",\n                            \"lessThan\": \"0a21d259ca4d6310fdfcc0284ebbc000e66cbf70\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8284066946e6d9cc979566ce698fe24e7ca0b31e\",\n                            \"lessThan\": \"6ee6bd5d4fce502a5b5a2ea805e9ff16e6aa890f\",\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/block/ublk_drv.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.24\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.13.12\",\n                            \"lessThanOrEqual\": \"6.13.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.14.3\",\n                            \"lessThanOrEqual\": \"6.14.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.15\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ab41bf5a211fbec3a85e025658ed90a911ccb692","https://git.kernel.org/stable/c/caa5c8a2358604f38bf0a4afaa5eacda13763067","https://git.kernel.org/stable/c/5d34a30efac9c9c93e150130caa940c0df6053c1","https://git.kernel.org/stable/c/0a21d259ca4d6310fdfcc0284ebbc000e66cbf70","https://git.kernel.org/stable/c/6ee6bd5d4fce502a5b5a2ea805e9ff16e6aa890f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-37759","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-37759","identifiers":["CVE-2025-37759"]},"retained":false,"historicalAffected":[]}],"coverage":[]}