RHSA-2024:0113 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

• kernel: vmwgfx: reference count issue leads to use-after-free in surface handling (CVE-2023-5633)

• kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

• Kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)

• hw amd: Return Address Predictor vulnerability leading to information disclosure (CVE-2023-20569)

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.

Bug Fix(es):

• Backport OVS l4 Symmetric Hashing to rhel-8 (JIRA:RHEL-12746)

• Unbounded memory usage by TCP for receive buffers (JIRA:RHEL-15096)

• various kind of guests freeze on rhel 8.8 (JIRA:RHEL-15121)

• RHEL 8: netfilter: conntrack: Fix gre tunneling over ipv6 (JIRA:RHEL-15259)

• NFSv4.1 needs to handle ENOENT error from GETDEVICEINFO (JIRA:RHEL-16407)

• DM multipath showing failed path for an nvme-o-FC LUN when performing I/O operations (JIRA:RHEL-14718)