Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1341
kpatch-patch security update
21 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kpatch-patch
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-27365 CVE-2021-27364 CVE-2021-3347
Reference: ESB-2021.1225
ESB-2021.1224
ESB-2021.1223
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:1295
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=====================================================================
Red Hat Security Advisory
Synopsis: Important: kpatch-patch security update
Advisory ID: RHSA-2021:1295-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1295
Issue date: 2021-04-20
CVE Names: CVE-2021-3347 CVE-2021-27364 CVE-2021-27365
=====================================================================
1. Summary:
An update 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: Use after free via PI futex state (CVE-2021-3347)
* kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
* kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
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/):
1922249 - CVE-2021-3347 kernel: Use after free via PI futex state
1930078 - CVE-2021-27365 kernel: heap buffer overflow in the iSCSI subsystem
1930080 - CVE-2021-27364 kernel: out-of-bounds read in libiscsi module
6. Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source:
kpatch-patch-4_18_0-193-1-13.el8.src.rpm
kpatch-patch-4_18_0-193_13_2-1-8.el8_2.src.rpm
kpatch-patch-4_18_0-193_14_3-1-8.el8_2.src.rpm
kpatch-patch-4_18_0-193_19_1-1-8.el8_2.src.rpm
kpatch-patch-4_18_0-193_1_2-1-11.el8_2.src.rpm
kpatch-patch-4_18_0-193_28_1-1-6.el8_2.src.rpm
kpatch-patch-4_18_0-193_29_1-1-6.el8_2.src.rpm
kpatch-patch-4_18_0-193_37_1-1-6.el8_2.src.rpm
kpatch-patch-4_18_0-193_40_1-1-6.el8_2.src.rpm
kpatch-patch-4_18_0-193_41_1-1-6.el8_2.src.rpm
kpatch-patch-4_18_0-193_46_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_47_1-1-3.el8_2.src.rpm
kpatch-patch-4_18_0-193_6_3-1-10.el8_2.src.rpm
ppc64le:
kpatch-patch-4_18_0-193-1-13.el8.ppc64le.rpm
kpatch-patch-4_18_0-193-debuginfo-1-13.el8.ppc64le.rpm
kpatch-patch-4_18_0-193-debugsource-1-13.el8.ppc64le.rpm
kpatch-patch-4_18_0-193_13_2-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_13_2-debuginfo-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_13_2-debugsource-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_14_3-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_14_3-debuginfo-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_14_3-debugsource-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_19_1-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_19_1-debuginfo-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_19_1-debugsource-1-8.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_1_2-1-11.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_1_2-debuginfo-1-11.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_1_2-debugsource-1-11.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_28_1-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_28_1-debuginfo-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_28_1-debugsource-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_29_1-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_29_1-debuginfo-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_29_1-debugsource-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_37_1-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_37_1-debuginfo-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_37_1-debugsource-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_40_1-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_40_1-debuginfo-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_40_1-debugsource-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_41_1-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_41_1-debuginfo-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_41_1-debugsource-1-6.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_46_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_46_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_46_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_47_1-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_47_1-debuginfo-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_47_1-debugsource-1-3.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_6_3-1-10.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_6_3-debuginfo-1-10.el8_2.ppc64le.rpm
kpatch-patch-4_18_0-193_6_3-debugsource-1-10.el8_2.ppc64le.rpm
x86_64:
kpatch-patch-4_18_0-193-1-13.el8.x86_64.rpm
kpatch-patch-4_18_0-193-debuginfo-1-13.el8.x86_64.rpm
kpatch-patch-4_18_0-193-debugsource-1-13.el8.x86_64.rpm
kpatch-patch-4_18_0-193_13_2-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_13_2-debuginfo-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_13_2-debugsource-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_14_3-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_14_3-debuginfo-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_14_3-debugsource-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_19_1-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_19_1-debuginfo-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_19_1-debugsource-1-8.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_1_2-1-11.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_1_2-debuginfo-1-11.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_1_2-debugsource-1-11.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_28_1-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_28_1-debuginfo-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_28_1-debugsource-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_29_1-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_29_1-debuginfo-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_29_1-debugsource-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_37_1-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_37_1-debuginfo-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_37_1-debugsource-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_40_1-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_40_1-debuginfo-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_40_1-debugsource-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_41_1-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_41_1-debuginfo-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_41_1-debugsource-1-6.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_46_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_46_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_46_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_47_1-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_47_1-debuginfo-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_47_1-debugsource-1-3.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_6_3-1-10.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_6_3-debuginfo-1-10.el8_2.x86_64.rpm
kpatch-patch-4_18_0-193_6_3-debugsource-1-10.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-2021-3347
https://access.redhat.com/security/cve/CVE-2021-27364
https://access.redhat.com/security/cve/CVE-2021-27365
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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