Alerts This Week
Warning Icon 1 916
Alerts This Week
Warning Icon 1 916

Fedora 39: 2024-082155d6b7 Critical: ovn Denial Of Service Threat

fedora
Calendar Grey March 22, 2024
Dist Fedora Esm H88
Urgent security patch for ovn resolves inadequate validation of BFD packets, which could lead to potential denial of service vulnerabilities.
Security fix for CVE-2024-2182 ovn: insufficient validation of BFD packets may lead to denial of service [fedora-all]

Summary

OVN, the Open Virtual Network, is a system to support virtual network

abstraction. OVN complements the existing capabilities of OVS to add

native support for virtual network abstractions, such as virtual L2 and L3

overlays and security groups.

Update Information:

Security fix for CVE-2024-2182 ovn: insufficient validation of BFD packets may lead to denial of service [fedora-all]

Topics%20covered

Topics Covered

security advisory denial of service critical issue network security Fedora ovn BFD packets

Change Log

* Wed Mar 13 2024 Numan Siddique - 23.09.0-139 - github: Reduce ASLR entropy to be compatible with asan in llvm 14. [Upstream: 835b43811dfcf469da3123911240cc953b52bac3]
- Prepare for 23.09.4. [Upstream: 5ce1740aaa02ebeed561ffb6298b71035b5c908a]
- Set release date for 23.09.3. [Upstream: fbdc94d4309f28ad59e41025ff42945478dd12cc]
- controller: Set check_tnl_key for BFD on tunnel ifaces. [Upstream: c966c35f1b1cd8c5351ccac3051843fbf765c2ae]
- tests: Skip EDNS test if the scapy version doesn't support it. [Upstream: 7af89a5e50a4ba75a3ea5c393499f1e0fa0a6abb]
- northd: Don't skip the unSNAT stage for traffic towards VIPs. [Upstream: 094b1217345a8ae5935fdd4dfec4949f46197377]
- Prepare for 23.09.3. [Upstream: 7bd52d7a25f2ddad0be25a5e54a3eb63d98a19d8]
- Set release date for 23.09.2. [Upstream: 04b23938302ad54f453f622a4b0c2fa5e27d3e41]

References


[ 1 ] Bug #2267840 - CVE-2024-2182 ovn: insufficient validation of BFD packets may lead to denial of service https://bugzilla.redhat.com/show_bug.cgi?id=2267840

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-082155d6b7' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
critical
Lowest
Low
Medium
High
Critical

Name: ovn
Product: Fedora 39
Version: 23.09.0
Release: 139.fc39
URL: http://www.openvswitch.org/
Summary: Open Virtual Network support

Topics%20covered

Topics Covered

security advisory denial of service critical issue network security Fedora ovn BFD packets

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here