CVE-2025-21745
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)
blk-cgroup: Fix class @block_class's subsystem refcount leakage
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @block_class's subsystem refcount leakage blkcg_fill_root_iostats() iterates over @block_class's devices by class_dev_iter_(init|next)(), but does not end iterating with class_dev_iter_exit(), so causes the class's subsystem refcount leakage. Fix by ending the iterating with class_dev_iter_exit().
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) |
|---|---|---|---|---|---|
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | ffb494f1e7a047bd7a41b13796fcfb08fe5beafb | Unavailable | None listed |
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | 38287f779b34dfe959b4b681e909f2d3d52b88be | Unavailable | None listed |
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | 431b6ef2714be4d5babb802114987541a88b43b0 | Unavailable | None listed |
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | 993121481b5a87829f1e8163f47158b72679f309 | Unavailable | None listed |
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | 2ce09aabe009453d641a2ceb79e6461a2d4f3876 | Unavailable | None listed |
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | 67c7f213e052b1aa6caba4a7e25e303bc6997126 | Unavailable | None listed |
| ef45fe470e1e5410db4af87abc5d5055427945ac | affected | git | d1248436cbef1f924c04255367ff4845ccd9025e | 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) |
|---|---|---|---|---|---|
| 5.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.9 | Unavailable | None listed |
| 5.10.235 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.179 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.129 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.78 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.14 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.13.3 | unaffected | semver | Unavailable | 6.13.* | None listed |
| 6.14 | unaffected | original_commit_for_fix | Unavailable | * | None listed |