CVE-2023-0179 Integer overflow in kernel
A buffer overflow in the Linux kernel Netfilter subsystem allows local attackers to leak memory addresses and escalate privileges to root via arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-0179?
CVE-2023-0179 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 27 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.
Weakness: CWE-190
Which versions are affected by CVE-2023-0179?
It affects 13 products.
Linux distribution packages (3)
kernel-livepatch-SLE15-SP3_Update_27 SUSE:Linux Enterprise Live Patching 15 SP3 | All versions | 2-150300.2.1 |
kernel-livepatch-SLE15-SP3_Update_28 SUSE:Linux Enterprise Live Patching 15 SP3 | All versions | 2-150300.2.1 |
kernel-livepatch-SLE15-SP4-RT_Update_1 SUSE:Linux Enterprise Live Patching 15 SP4 | All versions | 3-150400.2.1 |
Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Linux kernel, Redhat Codeready Linux Builder, Redhat Enterprise Linux, Redhat Enterprise Linux Eus and 7 more.
How do I fix CVE-2023-0179?
Apply the vendor's patch.
Is CVE-2023-0179 being exploited?
There is no known exploitation of CVE-2023-0179 in the wild and no public exploit code.
Public exploit code: 4 proofs of concept on GitHub.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as AZL-25932, DEBIAN-CVE-2023-0179, SUSE-SU-2023:0523-1, SUSE-SU-2023:0564-1, SUSE-SU-2023:0635-1, UBUNTU-CVE-2023-0179 and 1 more.