CVE-2023-52926
io_uring/rw: split io_read() into a helper
HIGH 7.8EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved:IORING_OP_READ did not correctly consume the provided buffer list whenread i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return).This can lead to a potential use-after-free when the completion viaio_rw_done runs at separate context.
- Affected
- Linux
- CVSS v3.1 CNA
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.24% chance of exploitation in the next 30 days, 14th percentile
- Published
- 2025-02-24
- Updated
- 2026-08-05
Exploit collections (1)
- linux/kernelctf/CVE-2023-52926_ltsgoogle/security-research
Security advisories
- https://git.kernel.org/stable/c/6c27fc6a783c8a77c756dd5461b15e465020d075
- https://git.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007
- https://git.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4d