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redhatRedHatRHSA-2021:0878
HistoryMar 16, 2021 - 1:07 p.m.

(RHSA-2021:0878) Important: kernel security, bug fix, and enhancement update

2021-03-1613:07:24
access.redhat.com
54

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

38.6%

JSON

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

Security Fix(es):

  • kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)

  • kernel: performance counters race condition use-after-free (CVE-2020-14351)

  • kernel: umask not applied on filesystem without ACL support (CVE-2020-24394)

  • kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)

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):

  • Security patch for CVE-2020-25212 breaks directory listings via ‘ls’ on NFS V4.2 shares mounted with selinux enabled labels (BZ#1919144)

  • Enable CI and changelog for GitLab workflow (BZ#1930931)

Enhancement(s):

  • [Cavium 7.7 Feat] qla2xxx: Update to latest upstream. (BZ#1918534)
OSVersionArchitecturePackageVersionFilename
RedHat7x86_64python-perf-debuginfo< 3.10.0-957.70.1.el7python-perf-debuginfo-3.10.0-957.70.1.el7.x86_64.rpm
RedHat7x86_64kernel-tools-libs< 3.10.0-957.70.1.el7kernel-tools-libs-3.10.0-957.70.1.el7.x86_64.rpm
RedHat7ppc64lekernel-debuginfo-common-ppc64le< 3.10.0-957.70.1.el7kernel-debuginfo-common-ppc64le-3.10.0-957.70.1.el7.ppc64le.rpm
RedHat7ppc64kernel-bootwrapper< 3.10.0-957.70.1.el7kernel-bootwrapper-3.10.0-957.70.1.el7.ppc64.rpm
RedHat7ppc64lekernel-headers< 3.10.0-957.70.1.el7kernel-headers-3.10.0-957.70.1.el7.ppc64le.rpm
RedHat7s390xkernel-kdump-devel< 3.10.0-957.70.1.el7kernel-kdump-devel-3.10.0-957.70.1.el7.s390x.rpm
RedHat7s390xkernel< 3.10.0-957.70.1.el7kernel-3.10.0-957.70.1.el7.s390x.rpm
RedHat7ppc64leperf-debuginfo< 3.10.0-957.70.1.el7perf-debuginfo-3.10.0-957.70.1.el7.ppc64le.rpm
RedHat7s390xkernel-debug-debuginfo< 3.10.0-957.70.1.el7kernel-debug-debuginfo-3.10.0-957.70.1.el7.s390x.rpm
RedHat7s390xkernel-debuginfo-common-s390x< 3.10.0-957.70.1.el7kernel-debuginfo-common-s390x-3.10.0-957.70.1.el7.s390x.rpm
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

38.6%

JSON
Related for RHSA-2021:0878
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