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[RHSA-2021:0338] kernel-rt security and bug fix update

Severity Moderate
Affected Packages 10
CVEs 2
Info Packages References Vulnerabilities

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: use-after-free in fs/block_dev.c (CVE-2020-15436)

  • kernel: Nfsd failure to clear umask after processing an open or create (CVE-2020-35513)

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):

  • kernel-rt: update to the latest RHEL7.9.z3 source tree (BZ#1906133)

  • [kernel-rt] WARNING: CPU: 8 PID: 586 at kernel/sched/core.c:3644 migrate_enable+0x15f/0x210 (BZ#1916123)

  • [kernel-rt-debug] [ BUG: bad unlock balance detected! ] RHEL-7.9.z

Package Affected Version
pkg:rpm/redhat/kernel-rt?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-trace?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-trace-kvm?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-trace-devel?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-kvm?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-doc?distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-devel?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-debug?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-debug-kvm?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
pkg:rpm/redhat/kernel-rt-debug-devel?arch=x86_64&distro=redhat-7 < 3.10.0-1160.15.2.rt56.1152.el7
ID
RHSA-2021:0338
Severity
moderate
URL
https://access.redhat.com/errata/RHSA-2021:0338
Published
2021-02-02T00:00:00
(3 years ago)
Modified
2021-02-02T00:00:00
(3 years ago)
Rights
Copyright 2021 Red Hat, Inc.
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:rpm/redhat/kernel-rt?arch=x86_64&distro=redhat-7 redhat kernel-rt < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-trace?arch=x86_64&distro=redhat-7 redhat kernel-rt-trace < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-trace-kvm?arch=x86_64&distro=redhat-7 redhat kernel-rt-trace-kvm < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-trace-devel?arch=x86_64&distro=redhat-7 redhat kernel-rt-trace-devel < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-kvm?arch=x86_64&distro=redhat-7 redhat kernel-rt-kvm < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-doc?distro=redhat-7 redhat kernel-rt-doc < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7
Affected pkg:rpm/redhat/kernel-rt-devel?arch=x86_64&distro=redhat-7 redhat kernel-rt-devel < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-debug?arch=x86_64&distro=redhat-7 redhat kernel-rt-debug < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-debug-kvm?arch=x86_64&distro=redhat-7 redhat kernel-rt-debug-kvm < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
Affected pkg:rpm/redhat/kernel-rt-debug-devel?arch=x86_64&distro=redhat-7 redhat kernel-rt-debug-devel < 3.10.0-1160.15.2.rt56.1152.el7 redhat-7 x86_64
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date