A kpatch-patch security update has been released for Red Hat Enterprise Linux 8.2.
RHSA-2021:0763-01: Important: kpatch-patch security update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2021:0763-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0763
Issue date: 2021-03-09
CVE Names: CVE-2020-0444 CVE-2020-25211 CVE-2020-29661
=====================================================================
1. Summary:
An update for kpatch-patch is now available for Red Hat Enterprise Linux
8.2 Extended Update Support.
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - ppc64le, x86_64
3. 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: bad kfree in auditfilter.c may lead to escalation of privilege
(CVE-2020-0444)
* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in
net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)
* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an
use-after-free (CVE-2020-29661)
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.
4. 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
5. Bugs fixed ( https://bugzilla.redhat.com/):
1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c
1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free
1920474 - CVE-2020-0444 kernel: bad kfree in auditfilter.c may lead to escalation of privilege
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source:
kpatch-patch-4_18_0-193-1-10.el8.src.rpm
kpatch-patch-4_18_0-193_13_2-1-5.el8_2.src.rpm
kpatch-patch-4_18_0-193_14_3-1-5.el8_2.src.rpm
kpatch-patch-4_18_0-193_19_1-1-5.el8_2.src.rpm
kpatch-patch-4_18_0-193_1_2-1-8.el8_2.src.rpm
kpatch-patch-4_18_0-193_28_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_29_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_37_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_40_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_41_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_6_3-1-7.el8_2.src.rpm
ppc64le:
kpatch-patch-4_18_0-193-1-10.el8.ppc64le.rpm
kpatch-patch-4_18_0-193-debuginfo-1-10.el8.ppc64le.rpm
kpatch-patch-4_18_0-193-debugsource-1-10.el8.ppc64le.rpm
kpatch-patch-4_18_0-193_13_2-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_13_2-debuginfo-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_13_2-debugsource-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_14_3-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_14_3-debuginfo-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_14_3-debugsource-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_19_1-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_19_1-debuginfo-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_19_1-debugsource-1-5.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_1_2-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_1_2-debuginfo-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_1_2-debugsource-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_28_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_28_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_28_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_29_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_29_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_29_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_37_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_37_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_37_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_40_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_40_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_40_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_41_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_41_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_41_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_6_3-1-7.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_6_3-debuginfo-1-7.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_6_3-debugsource-1-7.el8_2.ppc64le.rpm
x86_64:
kpatch-patch-4_18_0-193-1-10.el8.x86_64.rpm
kpatch-patch-4_18_0-193-debuginfo-1-10.el8.x86_64.rpm
kpatch-patch-4_18_0-193-debugsource-1-10.el8.x86_64.rpm
kpatch-patch-4_18_0-193_13_2-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_13_2-debuginfo-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_13_2-debugsource-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_14_3-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_14_3-debuginfo-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_14_3-debugsource-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_19_1-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_19_1-debuginfo-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_19_1-debugsource-1-5.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_1_2-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_1_2-debuginfo-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_1_2-debugsource-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_28_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_28_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_28_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_29_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_29_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_29_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_37_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_37_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_37_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_40_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_40_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_40_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_41_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_41_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_41_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_6_3-1-7.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_6_3-debuginfo-1-7.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_6_3-debugsource-1-7.el8_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-0444
https://access.redhat.com/security/cve/CVE-2020-25211
https://access.redhat.com/security/cve/CVE-2020-29661
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
