CVE-2023-3773
Medium
Description
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJul 25, 2023
First seenJul 25, 2023
Weakness typeCWE-125Out-of-bounds read
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | No range specified | — |
| redhat enterprise_linux | 8.0, 9.0 | — |
| fedoraproject fedora | No range specified | — |
| debian debian_linux | 10.0, 12.0 | — |
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