CVE-2025-37759
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
ublk: fix handling recovery & reissue in ublk_abort_queue()
In the Linux kernel, the following vulnerability has been resolved: ublk: fix handling recovery & reissue in ublk_abort_queue() Commit 8284066946e6 ("ublk: grab request reference when the request is handled by userspace") doesn't grab request reference in case of recovery reissue. Then the request can be requeued & re-dispatch & failed when canceling uring command. If it is one zc request, the request can be freed before io_uring returns the zc buffer back, then cause kernel panic: [ 126.773061] BUG: kernel NULL pointer dereference, address: 00000000000000c8 [ 126.773657] #PF: supervisor read access in kernel mode [ 126.774052] #PF: error_code(0x0000) - not-present page [ 126.774455] PGD 0 P4D 0 [ 126.774698] Oops: Oops: 0000 [#1] SMP NOPTI [ 126.775034] CPU: 13 UID: 0 PID: 1612 Comm: kworker/u64:55 Not tainted 6.14.0_blk+ #182 PREEMPT(full) [ 126.775676] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-1.fc39 04/01/2014 [ 126.776275] Workqueue: iou_exit io_ring_exit_work [ 126.776651] RIP: 0010:ublk_io_release+0x14/0x130 [ublk_drv] Fixes it by always grabbing request reference for aborting the request.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 8284066946e6d9cc979566ce698fe24e7ca0b31e | affected | git | ab41bf5a211fbec3a85e025658ed90a911ccb692 | Unavailable | None listed |
| 8284066946e6d9cc979566ce698fe24e7ca0b31e | affected | git | caa5c8a2358604f38bf0a4afaa5eacda13763067 | Unavailable | None listed |
| 8284066946e6d9cc979566ce698fe24e7ca0b31e | affected | git | 5d34a30efac9c9c93e150130caa940c0df6053c1 | Unavailable | None listed |
| 8284066946e6d9cc979566ce698fe24e7ca0b31e | affected | git | 0a21d259ca4d6310fdfcc0284ebbc000e66cbf70 | Unavailable | None listed |
| 8284066946e6d9cc979566ce698fe24e7ca0b31e | affected | git | 6ee6bd5d4fce502a5b5a2ea805e9ff16e6aa890f | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.5 | Unavailable | None listed |
| 6.6.160 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.24 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.13.12 | unaffected | semver | Unavailable | 6.13.* | None listed |
| 6.14.3 | unaffected | semver | Unavailable | 6.14.* | None listed |
| 6.15 | unaffected | original_commit_for_fix | Unavailable | * | None listed |