RHSA-2023:0951: Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: use-after-free caused by l2capreassemblesdu() in net/bluetooth/l2capcore.c (CVE-2022-3564) kernel: stack overflow in doprocdointvec and procskipspaces (CVE-2022-4378) kernel: use-after-free in nfs42sscopen() in fs/nfs/nfs4file.c leading to remote Denial of Service attack (CVE-2022-4379) kernel: Netfilter integer overflow vulnerability in nftpayloadcopyvlan (CVE-2023-0179) kernel: an out-of-bounds vulnerability in i2c-ismt driver (CVE-2022-2873) 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): RHEL 9.0: LTP Test failure and crash at fork14 on Sapphire Rapids Platinum 8280+ (BZ#2133083) RHEL 9.1 Extending NMI watchdog's timer during LPM (BZ#2140085) AMDSERVER 9.1: amdpstate driver incorrectly designed to load as default for Genoa (BZ#2151274) qla2xxx NVMe-FC: WARNING: CPU: 0 PID: 124072 at drivers/scsi/qla2xxx/qlainit.c:70 qla2xxxreldonewarning+0x25/0x30 [qla2xxx] (BZ#2152178) Regression: Kernel panic on Lenovo T480 with AH40 USB-C docking station (BZ#2153277) Scheduler Update (rhel9.2) (BZ#2153792) RHEL9.1, NxGzip: nrtotalcredits is not decremented when processing units are reduced by dlpar in shared mode. (FW1030 / DLPAR) (BZ#2154305) MSFT, MANA, NET Patch RHEL-9: Fix race on per-CQ variable napiiperf panic fix (BZ#2155145) Azure vPCI RHEL-9 add the support of multi-MSI (BZ#2155459) Azure RHEL-9: VM Deployment Failures Patch Request (BZ#2155930) The 'date' command shows wrong time in nested KVM s390x guest (BZ#2158815) RHEL-9.2: Update NVMe driver to sync with upstream v6.0 (BZ#2161344) CEE cephfs: RHEL9 cephfs client crashing with RIP: 0010:netfsrrequnlock+0xef/0x380 [netfs] (BZ#2161418) block layer: update with upstream v6.0 (BZ#2162535)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:0951?
The severity of RHSA-2023:0951 is rated as important due to its potential for exploitation.
How do I fix RHSA-2023:0951?
To fix RHSA-2023:0951, upgrade to the kernel version 5.14.0-162.18.1.el9_1 or later.
What vulnerabilities are addressed in RHSA-2023:0951?
RHSA-2023:0951 addresses a use-after-free vulnerability and a stack overflow in the Linux kernel.
Which systems are affected by RHSA-2023:0951?
Systems running affected versions of Red Hat kernel packages are vulnerable under RHSA-2023:0951.
Is there a workaround for RHSA-2023:0951?
There are no known workarounds for RHSA-2023:0951; the recommended action is to apply the patch.