A kernel security and bug fix update has been released for AlmaLinux.
ALSA-2021:5227 Moderate: kernel security and bug fix update
Type:
security
Severity:
moderate
Release date:
2021-12-22
Description
Security Fix(es):
* kernel: In Overlayfs missing a check for a negative dentry before calling vfs_rename() (CVE-2021-20321)
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):
* panic while breaking a lease/delegation after user mode helper invocation (BZ#2010333)
* The ASR driver is causing a system crash in RHEL8.4 compared to RHEL8.3 due to kernel changes (BZ#2016384)
* RHEL8: DFS provided SMB shares are not accessible following unprivileged access (BZ#2017177)
* Avoid hitting the rtnl_trylock/restart_syscall logic in net-sysfs when possible (BZ#2021165)
* RHEL8: x86/Kconfig: Do not enable AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT (BZ#2024678)
* RHEL8.4-RegressionP10DD2.0Rainier/Denali - system crashed while offlining and onlining cores (BZ#2026450)
References:
CVE-2021-20321
Updates packages:
kernel-tools-libs-devel-4.18.0-348.7.1.el8_5.x86_64.rpm
Notes:
This page is generated automatically and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
