CVE-2021-4083
- State
- Published
- Severity
- Not scored
- Published
- Jan 18, 2022
- Updated
- Aug 3, 2024
- Reserved
- Dec 9, 2021
Description
A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.
Scores
The record has no CVSS score.
Weaknesses
Affected Products
| Product | Versions |
|---|---|
kerneln/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2029923
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=054aa8d439b9
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security updatemailing-list
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security updatemailing-list
- DSA-5096vendor-advisory
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://security.netapp.com/advisory/ntap-20220217-0005/
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