Oval Definition:oval:com.redhat.rhsa:def:20212726
Revision Date:2021-07-21Version:638
Title:RHSA-2021:2726: kernel-rt security and bug fix update (Important)
Description: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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)

  • kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)

  • kernel: use-after-free in show_numa_stats function (CVE-2019-20934)

  • kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668)

  • kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c (CVE-2021-33033)

    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):

  • kernel-rt: update to the latest RHEL7.9.z7 source tree (BZ#1967333)
  • Family:unixClass:patch
    Status:Reference(s):CVE-2019-20934
    CVE-2020-11668
    CVE-2021-33033
    CVE-2021-33034
    CVE-2021-33909
    RHSA-2021:2726
    Platform(s):Red Hat Enterprise Linux 7
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 7 is installed
  • AND
  • kernel-rt earlier than 0:3.10.0-1160.36.2.rt56.1179.el7 is currently running
  • OR kernel-rt earlier than 0:3.10.0-1160.36.2.rt56.1179.el7 is set to boot up on next boot
  • AND
  • kernel-rt is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-debug is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-devel is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-debug-devel is signed with Red Hat redhatrelease2 key
  • kernel-rt-debug-kvm is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-debug-kvm is signed with Red Hat redhatrelease2 key
  • kernel-rt-devel is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-devel is signed with Red Hat redhatrelease2 key
  • kernel-rt-doc is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-doc is signed with Red Hat redhatrelease2 key
  • kernel-rt-kvm is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-kvm is signed with Red Hat redhatrelease2 key
  • kernel-rt-trace is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-trace is signed with Red Hat redhatrelease2 key
  • kernel-rt-trace-devel is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-trace-devel is signed with Red Hat redhatrelease2 key
  • kernel-rt-trace-kvm is earlier than 0:3.10.0-1160.36.2.rt56.1179.el7
  • AND kernel-rt-trace-kvm is signed with Red Hat redhatrelease2 key
  • BACK