CVE-2021-41073
- State
- Published
- Severity
- Not scored
- Published
- Sep 19, 2021
- Updated
- Aug 4, 2024
- Reserved
- Sep 14, 2021
Description
loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc/<pid>/maps for exploitation.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- [oss-security] 20210918 Linux Kernel: Exploitable vulnerability in io_uringmailing-list
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc
- DSA-4978vendor-advisory
- FEDORA-2021-884d245ef8vendor-advisory
- FEDORA-2021-e0d6215753vendor-advisory
- https://security.netapp.com/advisory/ntap-20211014-0003/
- [oss-security] 20220604 Re: Linux Kernel: Exploitable vulnerability in io_uringmailing-list
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.