Oval Definition:oval:com.redhat.rhsa:def:20215227
Revision Date:2021-12-21Version:640
Title:RHSA-2021:5227: kernel security and bug fix update (Moderate)
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)
  • Family:unixClass:patch
    Status:Reference(s):CVE-2021-20321
    RHSA-2021:5227
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • AND
  • kernel earlier than 0:4.18.0-348.7.1.el8_5 is currently running
  • OR kernel earlier than 0:4.18.0-348.7.1.el8_5 is set to boot up on next boot
  • AND
  • bpftool is earlier than 0:4.18.0-348.7.1.el8_5
  • AND bpftool is signed with Red Hat redhatrelease2 key
  • kernel is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel is signed with Red Hat redhatrelease2 key
  • kernel-abi-stablelists is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-abi-stablelists is signed with Red Hat redhatrelease2 key
  • kernel-core is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-core is signed with Red Hat redhatrelease2 key
  • kernel-cross-headers is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-cross-headers is signed with Red Hat redhatrelease2 key
  • kernel-debug is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-debug is signed with Red Hat redhatrelease2 key
  • kernel-debug-core is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-debug-core is signed with Red Hat redhatrelease2 key
  • kernel-debug-devel is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-debug-devel is signed with Red Hat redhatrelease2 key
  • kernel-debug-modules is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-debug-modules is signed with Red Hat redhatrelease2 key
  • kernel-debug-modules-extra is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-debug-modules-extra is signed with Red Hat redhatrelease2 key
  • kernel-devel is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-devel is signed with Red Hat redhatrelease2 key
  • kernel-doc is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-doc is signed with Red Hat redhatrelease2 key
  • kernel-modules is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-modules is signed with Red Hat redhatrelease2 key
  • kernel-modules-extra is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-modules-extra is signed with Red Hat redhatrelease2 key
  • kernel-tools is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-tools is signed with Red Hat redhatrelease2 key
  • kernel-tools-libs is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-tools-libs is signed with Red Hat redhatrelease2 key
  • kernel-tools-libs-devel is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-tools-libs-devel is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-zfcpdump is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-core is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-zfcpdump-core is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-devel is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-zfcpdump-devel is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-modules is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-zfcpdump-modules is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-modules-extra is earlier than 0:4.18.0-348.7.1.el8_5
  • AND kernel-zfcpdump-modules-extra is signed with Red Hat redhatrelease2 key
  • perf is earlier than 0:4.18.0-348.7.1.el8_5
  • AND perf is signed with Red Hat redhatrelease2 key
  • python3-perf is earlier than 0:4.18.0-348.7.1.el8_5
  • AND python3-perf is signed with Red Hat redhatrelease2 key
  • BACK