Vulnerability Monitor

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CVE-2023-3773

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.

Published

2023-07-25T16:15:11.733

Last Modified

2024-11-21T08:18:01.957

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-125
Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes
Operating System	fedoraproject	fedora	-	Yes
Operating System	linux	linux_kernel	-	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	12.0	Yes

References

https://access.redhat.com/errata/RHSA-2023:6583 ([email protected])
https://access.redhat.com/security/cve/CVE-2023-3773 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2218944 Issue Tracking, Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2023:6583 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/CVE-2023-3773 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2218944 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2023/dsa-5492 (af854a3a-2127-422b-91ae-364da2661108)