RedHat: RHSA-2021-2735:01 Important: kernel security update
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: size_t-to-int conversion vulnerability in the filesystem layer
(CVE-2021-33909)
* kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)
* kernel: Use after free via PI futex state (CVE-2021-3347)
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.
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2020-12362 https://access.redhat.com/security/cve/CVE-2021-3347 https://access.redhat.com/security/cve/CVE-2021-33909 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/RHSB-2021-006
Package List
Red Hat Enterprise Linux Server (v. 6 ELS):
Source:
kernel-2.6.32-754.41.2.el6.src.rpm
i386:
kernel-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm
kernel-devel-2.6.32-754.41.2.el6.i686.rpm
kernel-headers-2.6.32-754.41.2.el6.i686.rpm
perf-2.6.32-754.41.2.el6.i686.rpm
perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
noarch:
kernel-abi-whitelists-2.6.32-754.41.2.el6.noarch.rpm
kernel-doc-2.6.32-754.41.2.el6.noarch.rpm
kernel-firmware-2.6.32-754.41.2.el6.noarch.rpm
s390x:
kernel-2.6.32-754.41.2.el6.s390x.rpm
kernel-debug-2.6.32-754.41.2.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.41.2.el6.s390x.rpm
kernel-devel-2.6.32-754.41.2.el6.s390x.rpm
kernel-headers-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-devel-2.6.32-754.41.2.el6.s390x.rpm
perf-2.6.32-754.41.2.el6.s390x.rpm
perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
x86_64:
kernel-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debug-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.i686.rpm
kernel-debug-devel-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.41.2.el6.x86_64.rpm
kernel-devel-2.6.32-754.41.2.el6.x86_64.rpm
kernel-headers-2.6.32-754.41.2.el6.x86_64.rpm
perf-2.6.32-754.41.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386:
kernel-debug-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.41.2.el6.i686.rpm
perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
python-perf-2.6.32-754.41.2.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.i686.rpm
s390x:
kernel-debug-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.41.2.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
python-perf-2.6.32-754.41.2.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.s390x.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.41.2.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.41.2.el6.x86_64.rpm
python-perf-2.6.32-754.41.2.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.41.2.el6.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/
Topic
An update for kernel is now available for Red Hat Enterprise Linux 6Extended Lifecycle Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Server (v. 6 ELS) - i386, noarch, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64
Bugs Fixed
1922249 - CVE-2021-3347 kernel: Use after free via PI futex state
1930246 - CVE-2020-12362 kernel: Integer overflow in Intel(R) Graphics Drivers1970273 - CVE-2021-33909 kernel: size_t-to-int conversion vulnerability in the filesystem layer