-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: kernel security update
Advisory ID:       RHSA-2022:0529-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:0529
Issue date:        2022-02-15
CVE Names:         CVE-2020-0466 CVE-2021-4155 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.3
Advanced 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 Server AUS (v. 7.3) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.3) - 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 eventpoll.c may lead to escalation of privilege
(CVE-2020-0466)

* kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL
(CVE-2021-4155)

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

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

5. Bugs fixed (https://bugzilla.redhat.com/):

1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege
2034813 - CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.3):

Source:
kernel-3.10.0-514.97.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-514.97.1.el7.noarch.rpm
kernel-doc-3.10.0-514.97.1.el7.noarch.rpm

x86_64:
kernel-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debug-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.97.1.el7.x86_64.rpm
kernel-devel-3.10.0-514.97.1.el7.x86_64.rpm
kernel-headers-3.10.0-514.97.1.el7.x86_64.rpm
kernel-tools-3.10.0-514.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-514.97.1.el7.x86_64.rpm
perf-3.10.0-514.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
python-perf-3.10.0-514.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.3):

x86_64:
kernel-debug-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-514.97.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-514.97.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-514.97.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-514.97.1.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-2020-0466
https://access.redhat.com/security/cve/CVE-2021-4155
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=rQxa
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce