RHSA-2023:0300: Important: kernel-rt security and bug fix update
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.Security Fix(es): kernel: watch queue race condition can lead to privilege escalation (CVE-2022-2959) kernel: memory corruption in AX88179178A based USB ethernet device. (CVE-2022-2964) kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139) kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945) kernel: i2c: unbounded length leads to buffer overflow in ismtaccess() (CVE-2022-3077) kernel: Unprivileged users may use PTRACESEIZE to set PTRACEOSUSPENDSECCOMP option (CVE-2022-30594) 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): DELL EMC: System is not booting into RT Kernel with perc12 [kernel-rt] (BZ#2139863) kernel-rt: update RT source tree to the latest RHEL-9.1.z1 Batch (BZ#2141817)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:0300?
The severity of RHSA-2023:0300 is considered critical due to the risk of privilege escalation.
How do I fix RHSA-2023:0300?
To fix RHSA-2023:0300, users should upgrade to the kernel-rt packages version 5.14.0-162.12.1.rt21.175.el9_1.
Which vulnerabilities are fixed in RHSA-2023:0300?
RHSA-2023:0300 addresses vulnerabilities including a race condition in the watch queue, which can lead to privilege escalation (CVE-2022-2959).
What software is affected by RHSA-2023:0300?
The affected software under RHSA-2023:0300 includes various kernel-rt packages and related components.
Is there a specific version to which I should upgrade for RHSA-2023:0300?
Yes, the specific version to upgrade to for RHSA-2023:0300 is 5.14.0-162.12.1.rt21.175.el9_1.