CVE-2021-4028
- State
- Published
- Severity
- Not scored
- Published
- Aug 24, 2022
- Updated
- Aug 3, 2024
- Reserved
- Nov 29, 2021
Description
A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system.
Scores
The record has no CVSS score.
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
kerneln/a |
|
References
- https://lkml.org/lkml/2021/10/4/697
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0bdc5afaa74
- https://bugzilla.redhat.com/show_bug.cgi?id=2027201
- https://access.redhat.com/security/cve/CVE-2021-4028
- https://bugzilla.suse.com/show_bug.cgi?id=1193167#c0
- https://security.netapp.com/advisory/ntap-20221228-0002/
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