CVE-2021-4028
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedAug 24, 2022
First seenAug 24, 2022
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel5.10.71, 5.14.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.10 ≤ v < 5.10.71, 5.11 ≤ v < 5.14.10 | 5.10.71, 5.14.10 |
| suse linux_enterprise | 15.0 | — |
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