RHSA-2023:0300: Important: kernel-rt security and bug fix update

First published: Mon Jan 23 2023(Updated: )

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.<br>Security Fix(es):<br><li> kernel: watch queue race condition can lead to privilege escalation (CVE-2022-2959)</li> <li> kernel: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)</li> <li> kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139)</li> <li> kernel: nfsd buffer overflow by RPC message over TCP with garbage data (CVE-2022-43945)</li> <li> kernel: i2c: unbounded length leads to buffer overflow in ismt_access() (CVE-2022-3077)</li> <li> kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)</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.<br>Bug Fix(es):<br><li> DELL EMC: System is not booting into RT Kernel with perc12 [kernel-rt] (BZ#2139863)</li> <li> kernel-rt: update RT source tree to the latest RHEL-9.1.z1 Batch (BZ#2141817)</li>

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