Issued:
2022-04-05
Updated:
2022-04-05

RHSA-2022:1185 - Important: kpatch-patch security update

Synopsis

Important: kpatch-patch security update

Type/Severity

Security Advisory Important

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.

Security Fix(es):

  • kernel: use-after-free in RDMA listen() (CVE-2021-4028)

  • kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for Power, little endian7ppc64le
Red Hat Enterprise Linux Server7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le

Updated Packages

  • kpatch-patch-3_10_0-1160_42_2-1-4.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_31_1-1-7.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_24_1-1-8.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_45_1-debuginfo-1-3.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_45_1-debuginfo-1-3.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_41_1-1-5.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_49_1-1-2.el7.src.rpm
  • kpatch-patch-3_10_0-1160_53_1-1-2.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_45_1-1-3.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_49_1-1-2.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_45_1-1-3.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_49_1-debuginfo-1-2.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_36_2-debuginfo-1-6.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_42_2-debuginfo-1-4.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_53_1-debuginfo-1-2.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_42_2-1-4.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_24_1-debuginfo-1-8.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_36_2-debuginfo-1-6.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_41_1-debuginfo-1-5.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_53_1-1-2.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_31_1-debuginfo-1-7.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_41_1-1-5.el7.src.rpm
  • kpatch-patch-3_10_0-1160_31_1-debuginfo-1-7.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_53_1-1-2.el7.src.rpm
  • kpatch-patch-3_10_0-1160_24_1-debuginfo-1-8.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_25_1-1-8.el7.src.rpm
  • kpatch-patch-3_10_0-1160_31_1-1-7.el7.src.rpm
  • kpatch-patch-3_10_0-1160_49_1-debuginfo-1-2.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_36_2-1-6.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_36_2-1-6.el7.src.rpm
  • kpatch-patch-3_10_0-1160_36_2-1-6.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_49_1-1-2.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_41_1-debuginfo-1-5.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_53_1-debuginfo-1-2.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_42_2-1-4.el7.src.rpm
  • kpatch-patch-3_10_0-1160_45_1-1-3.el7.src.rpm
  • kpatch-patch-3_10_0-1160_25_1-1-8.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_59_1-1-1.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_24_1-1-8.el7.src.rpm
  • kpatch-patch-3_10_0-1160_59_1-1-1.el7.src.rpm
  • kpatch-patch-3_10_0-1160_41_1-1-5.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_59_1-debuginfo-1-1.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_25_1-1-8.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_25_1-debuginfo-1-8.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_25_1-debuginfo-1-8.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_31_1-1-7.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_42_2-debuginfo-1-4.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_59_1-debuginfo-1-1.el7.ppc64le.rpm
  • kpatch-patch-3_10_0-1160_59_1-1-1.el7.x86_64.rpm
  • kpatch-patch-3_10_0-1160_24_1-1-8.el7.x86_64.rpm

Fixes

CVEs

References

Additional information