medium5.5
CVE-2023-3773
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem).
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Redhat | Enterprise Linux | Versions 8.0, 9.0 |
| Fedoraproject | Fedora | All versions |
| Linux | Linux Kernel | All versions |
| Debian | Debian Linux | Versions 10.0, 12.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/security/cve/CVE-2023-3773
- https://bugzilla.redhat.com/show_bug.cgi?id=2218944
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://www.debian.org/security/2023/dsa-5492
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html