CVE-2023-3269
High
Description
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 11, 2023
First seenJul 11, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel6.1.37, 6.3.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.1 ≤ v < 6.1.37, 6.2 ≤ v < 6.3.11, 6.4 | 6.1.37, 6.3.11 |
| fedoraproject fedora | 37, 38 | — |
| redhat enterprise_linux | 6.0, 7.0, 8.0, 9.0 | — |
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