- Issued:
- 2021-08-31
- Updated:
- 2021-08-31
RHSA-2021:3380 - Important: kpatch-patch security update
Synopsis
Important: kpatch-patch security update
Type/Severity
Security Advisory Important
Topic
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.
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: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
-
kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
-
kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)
-
kernel: race condition for removal of the HCI controller (CVE-2021-32399)
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
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 8.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 8.2 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian - Extended Update Support | 8.2 | ppc64le |
| Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions | 8.2 | ppc64le |
| Red Hat Enterprise Linux Server - TUS | 8.2 | x86_64 |
| Red Hat Enterprise Linux Server - AUS | 8.2 | x86_64 |
Updated Packages
- kpatch-patch-4_18_0-193_40_1-debugsource-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_46_1-debuginfo-1-6.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_56_1-debuginfo-1-2.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_60_2-debuginfo-1-1.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_47_1-1-6.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_29_1-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_40_1-1-9.el8_2.src.rpm
- kpatch-patch-4_18_0-193_19_1-1-11.el8_2.src.rpm
- kpatch-patch-4_18_0-193_56_1-debugsource-1-2.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_46_1-debugsource-1-6.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_29_1-debuginfo-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_41_1-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_46_1-1-6.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_28_1-debugsource-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_28_1-debuginfo-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_29_1-debuginfo-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_37_1-debugsource-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_19_1-debuginfo-1-11.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_60_2-1-1.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_40_1-debugsource-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_29_1-debugsource-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_41_1-debuginfo-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_47_1-debuginfo-1-6.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_37_1-debuginfo-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_60_2-debugsource-1-1.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_37_1-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_47_1-debuginfo-1-6.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_37_1-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_51_1-debuginfo-1-3.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_47_1-debugsource-1-6.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_47_1-debugsource-1-6.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_40_1-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_47_1-1-6.el8_2.src.rpm
- kpatch-patch-4_18_0-193_56_1-1-2.el8_2.src.rpm
- kpatch-patch-4_18_0-193_60_2-1-1.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_60_2-debugsource-1-1.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_37_1-debuginfo-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_28_1-debugsource-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_19_1-debuginfo-1-11.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_19_1-debugsource-1-11.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_28_1-1-9.el8_2.src.rpm
- kpatch-patch-4_18_0-193_56_1-1-2.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_28_1-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_41_1-debugsource-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_19_1-1-11.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_41_1-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_28_1-debuginfo-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_29_1-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_28_1-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_19_1-debugsource-1-11.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_40_1-debuginfo-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_40_1-debuginfo-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_41_1-1-9.el8_2.src.rpm
- kpatch-patch-4_18_0-193_46_1-debugsource-1-6.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_51_1-1-3.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_56_1-1-2.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_41_1-debugsource-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_47_1-1-6.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_56_1-debugsource-1-2.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_29_1-1-9.el8_2.src.rpm
- kpatch-patch-4_18_0-193_46_1-1-6.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_51_1-debugsource-1-3.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_37_1-debugsource-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_51_1-1-3.el8_2.src.rpm
- kpatch-patch-4_18_0-193_51_1-debuginfo-1-3.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_56_1-debuginfo-1-2.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_46_1-debuginfo-1-6.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_37_1-1-9.el8_2.src.rpm
- kpatch-patch-4_18_0-193_51_1-1-3.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_60_2-debuginfo-1-1.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_41_1-debuginfo-1-9.el8_2.ppc64le.rpm
- kpatch-patch-4_18_0-193_40_1-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_46_1-1-6.el8_2.src.rpm
- kpatch-patch-4_18_0-193_29_1-debugsource-1-9.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_19_1-1-11.el8_2.x86_64.rpm
- kpatch-patch-4_18_0-193_60_2-1-1.el8_2.src.rpm
- kpatch-patch-4_18_0-193_51_1-debugsource-1-3.el8_2.x86_64.rpm
Fixes
- This content is not included.BZ - 1965461
- This content is not included.BZ - 1970807
- This content is not included.BZ - 1971651
- This content is not included.BZ - 1980101
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.