CVE-2026-53272
No CVSS score published · EPSS: 0.0016 (5.9 percentile)
Source data as of:
At a glance
- Severity
- No CVSS score published
- CVSS
- No CVSS score in the NVD record
- EPSS
- 0.0016 (5.9 percentile) · FIRST.org
- CISA KEV
- No
- Published
- 2026-06-25 · Modified: 2026-06-25
- References
- Jump to references (4)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
Description
In the Linux kernel, the following vulnerability has been resolved: erofs: fix use-after-free on sbi->sync_decompress z_erofs_decompress_kickoff() can race with filesystem unmount, causing a use-after-free on sbi->sync_decompress. When I/O completes, z_erofs_endio() calls z_erofs_decompress_kickoff() to queue z_erofs_decompressqueue_work() asynchronously. Then, after all folios are unlocked, unmount workflow can proceed and sbi will be freed before accessing to sbi->sync_decompress. Thread (unmount) I/O completion kworker queue_work z_erofs_decompressqueue_work (all folios are unlocked) cleanup_mnt .. erofs_kill_sb erofs_sb_free kfree(sbi) access sbi->sync_decompress // UAF!!
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Reference https://git.kernel.org/stable/c/00bf6868df65fa95b3854996246d15759fdc7070
- Reference https://git.kernel.org/stable/c/1aee05e814d292064bf5fa15733741040cdc48ba
- Reference https://git.kernel.org/stable/c/86ab00cf81d44b675bb23db62b88fd76c8ac8cea
- Reference https://git.kernel.org/stable/c/95caf60da33d87ed26c28993620f0d92487b0296