RLSA-2021:3440
RLSA-2021:3440 · Moderate: kernel-rt security and bug fix update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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: slab-out-of-bounds access in xdr_set_page_base() in net/sunrpc/xdr.c (CVE-2021-38201) 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): * OSLAT spikes on subset of cpus (BZ#1986063) * kernel-rt: update RT source tree to the Rocky Linux-8.4.z source tree (BZ#1990013) * Failure to enter full_nohz due to needless SCHED softirqs (BZ#1990272) * kernel-rt: Make rcu_normal_after_boot writable (BZ#1995431)
CVSS 7.5 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-rt Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:4.18.0-305.17.1.rt7.89.el8_4
Update to 0:4.18.0-305.17.1.rt7.89.el8_4