Issued:

2022-01-11

Updated:

2022-01-11

RHSA-2022:0063 - Moderate: kernel security and bug fix update

Synopsis

Moderate: kernel security and bug fix update

Type/Severity

Security Advisory Moderate

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: perf_event_parse_addr_filter memory (CVE-2020-25704)

• kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations (CVE-2020-36322)

• kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739)

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):

• A gfs2 withdrawal occurs function = gfs2_setbit, file = fs/gfs2/rgrp.c, line = 109 (BZ#1364234)

• i40e SR-IOV TX driver issue detected on VF 7 - VF connectivity loose after VF down/up (BZ#1977246)

• duplicate ACK not sent when expected (BZ#1990665)

• [kernel-debug] BUG: bad unlock balance detected! when running LTP read_all (BZ#2006536)

• Rudimentary support for AMD Milan - Call init_amd_zn() om Family 19h processors (BZ#2019218)

• A VM with <=8 CPUs handles all the Mellanox NIC interrupts on CPU0 only, causing low performance (BZ#2019272)

• fix _PSD override quirk for AMD family 19h+ (BZ#2019588)

• generic_file_aio_read returns 0 when interrupted early with a fatal signal (BZ#2020857)

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

The system must be rebooted for this update to take effect.

Affected Products

Updated Packages

• bpftool-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-debug-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debuginfo-common-ppc64-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-tools-libs-devel-3.10.0-1160.53.1.el7.ppc64.rpm
• perf-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-headers-3.10.0-1160.53.1.el7.ppc64.rpm
• bpftool-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-doc-3.10.0-1160.53.1.el7.noarch.rpm
• python-perf-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
• bpftool-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-headers-3.10.0-1160.53.1.el7.ppc64le.rpm
• python-perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-tools-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-bootwrapper-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debug-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-debuginfo-common-x86_64-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-kdump-devel-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-debug-devel-3.10.0-1160.53.1.el7.s390x.rpm
• python-perf-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
• python-perf-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
• python-perf-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-abi-whitelists-3.10.0-1160.53.1.el7.noarch.rpm
• bpftool-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-tools-libs-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-headers-3.10.0-1160.53.1.el7.s390x.rpm
• perf-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-devel-3.10.0-1160.53.1.el7.s390x.rpm
• bpftool-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-debug-devel-3.10.0-1160.53.1.el7.ppc64le.rpm
• bpftool-3.10.0-1160.53.1.el7.ppc64.rpm
• perf-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-debug-devel-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debuginfo-common-s390x-3.10.0-1160.53.1.el7.s390x.rpm
• perf-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-headers-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-kdump-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-tools-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-tools-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-tools-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-3.10.0-1160.53.1.el7.src.rpm
• kernel-debug-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-debug-devel-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-debug-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
• perf-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
• python-perf-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-kdump-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
• python-perf-3.10.0-1160.53.1.el7.ppc64le.rpm
• perf-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-tools-libs-devel-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-devel-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-tools-libs-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-devel-3.10.0-1160.53.1.el7.x86_64.rpm
• python-perf-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
• bpftool-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-debug-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
• perf-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-tools-debuginfo-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-tools-libs-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-devel-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-tools-libs-devel-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debug-debuginfo-3.10.0-1160.53.1.el7.s390x.rpm
• kernel-tools-debuginfo-3.10.0-1160.53.1.el7.ppc64.rpm
• kernel-debug-debuginfo-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debug-3.10.0-1160.53.1.el7.s390x.rpm
• bpftool-3.10.0-1160.53.1.el7.ppc64le.rpm
• kernel-debuginfo-common-ppc64le-3.10.0-1160.53.1.el7.ppc64le.rpm
• perf-3.10.0-1160.53.1.el7.x86_64.rpm
• kernel-bootwrapper-3.10.0-1160.53.1.el7.ppc64.rpm

Fixes

• This content is not included.BZ - 1895961
• This content is not included.BZ - 1949560
• This content is not included.BZ - 1951739
• This content is not included.BZ - 2020857

CVEs

• CVE-2020-25704
• CVE-2020-36322
• CVE-2021-42739

References

• https://access.redhat.com/security/updates/classification/#moderate

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.