Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux | 8.0 |
| Fedoraproject | Fedora | - |
| Linux | Linux Kernel | - |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/security/cve/CVE-2023-3773Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2218944Issue TrackingThird Party Advisory
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/security/cve/CVE-2023-3773Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2218944Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://www.debian.org/security/2023/dsa-5492
FAQ
What is CVE-2023-3773?
CVE-2023-3773 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...
How severe is CVE-2023-3773?
CVE-2023-3773 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-3773?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux, Fedoraproject Fedora, Linux Linux Kernel, Debian Debian Linux.