CVE-2023-3773 is a medium-severity vulnerability in the Linux kernel's IP framework (XFRM subsystem) that affects Debian, Fedora, Linux, and Red Hat distributions. A malicious user with CAP_NET_ADMIN privileges can exploit an out-of-bounds read when parsing netlink attributes, potentially leading to the leakage of sensitive heap data to userspace. The attack requires high privileges and has a low attack complexity, but it does not impact integrity or availability. There is currently no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.