CVE-2023-3773
Last modified
CVE-2023-3773 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
| Fedoraproject | Fedora | All versions |
| Linux | Linux Kernel | All versions |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 12.0 |
References
- https://access.redhat.com/security/cve/CVE-2023-3773Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2218944Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-3773Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2218944Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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