A kernel security and bug fix update has been released for Red Hat Enterprise Linux 7.
RHSA-2021:3438-01: Moderate: kernel security and bug fix update
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2021:3438-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3438
Issue date: 2021-09-07
CVE Names: CVE-2021-3715
=====================================================================
1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: use-after-free in route4_change() in net/sched/cls_route.c
(CVE-2021-3715)
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):
* [RHEL 7.8][s390x][DASD]Crash in __list_del_entry, alias_pav_group list
corrupt when running dasd_alias_remove_device() (BZ#1889418)
* EMBARGOED CVE-2021-3715 kernel: use-after-free in route4_change() in
net/sched/cls_route.c (BZ#1992926)
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
The system must be rebooted for this update to take effect.
5. Bugs fixed ( https://bugzilla.redhat.com/):
1993988 - CVE-2021-3715 kernel: use-after-free in route4_change() in net/sched/cls_route.c
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
kernel-3.10.0-1160.42.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm
kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.42.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm
perf-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
kernel-3.10.0-1160.42.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm
kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.42.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm
perf-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
kernel-3.10.0-1160.42.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm
kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm
ppc64:
bpftool-3.10.0-1160.42.2.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debug-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-devel-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-headers-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-tools-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1160.42.2.el7.ppc64.rpm
perf-3.10.0-1160.42.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
python-perf-3.10.0-1160.42.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
ppc64le:
bpftool-3.10.0-1160.42.2.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debug-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-devel-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-headers-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-tools-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1160.42.2.el7.ppc64le.rpm
perf-3.10.0-1160.42.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
python-perf-3.10.0-1160.42.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
s390x:
bpftool-3.10.0-1160.42.2.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm
kernel-3.10.0-1160.42.2.el7.s390x.rpm
kernel-debug-3.10.0-1160.42.2.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.s390x.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1160.42.2.el7.s390x.rpm
kernel-devel-3.10.0-1160.42.2.el7.s390x.rpm
kernel-headers-3.10.0-1160.42.2.el7.s390x.rpm
kernel-kdump-3.10.0-1160.42.2.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1160.42.2.el7.s390x.rpm
perf-3.10.0-1160.42.2.el7.s390x.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm
python-perf-3.10.0-1160.42.2.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.s390x.rpm
x86_64:
bpftool-3.10.0-1160.42.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm
perf-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1160.42.2.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64.rpm
ppc64le:
bpftool-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1160.42.2.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.ppc64le.rpm
x86_64:
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
kernel-3.10.0-1160.42.2.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm
kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm
x86_64:
bpftool-3.10.0-1160.42.2.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm
perf-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
bpftool-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.42.2.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.42.2.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.42.2.el7.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-2021-3715
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
