[ALSA-2021:5227] Moderate: kernel security and bug fix update
Type:
security
Severity:
moderate
Release date:
2021-12-22
Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system. 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-[Regression][P10][DD2.0][Rainier/Denali] - system crashed while offlining and onlining cores (BZ#2026450)
References:
Updated packages:
  • kernel-tools-libs-devel-4.18.0-348.7.1.el8_5.x86_64.rpm
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.