RHSA-2023:3490: Important: kpatch-patch security update
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)</li> <li> kernel: udmabuf: improper validation of array index leading to local privilege escalation (CVE-2023-2008)</li> <li> kernel: netfilter: use-after-free in nftables when processing batch requests can lead to privilege escalation (CVE-2023-32233)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:3490?
The severity of RHSA-2023:3490 is assessed as high due to the potential for a use-after-free vulnerability in ULP sockets.
How do I fix RHSA-2023:3490?
To fix RHSA-2023:3490, update the kpatch-patch package to the latest version that addresses the vulnerabilities.
Which versions of kpatch-patch are affected by RHSA-2023:3490?
Affected versions of kpatch-patch include those prior to 5_14_0-70_30_1-1-6.el9_0, along with several other specified versions.
What vulnerabilities are addressed in RHSA-2023:3490?
RHSA-2023:3490 addresses vulnerabilities including CVE-2023-0461, which is related to a use-after-free condition in ULP sockets.
Is RHSA-2023:3490 applicable to all Red Hat systems?
RHSA-2023:3490 applies specifically to Red Hat Enterprise Linux 9 systems that utilize kpatch-patch.