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redhatRedHatRHSA-2021:1288
HistoryApr 20, 2021 - 2:27 p.m.

(RHSA-2021:1288) Important: kernel security and bug fix update

2021-04-2014:27:34
access.redhat.com
143

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

38.3%

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: out-of-bounds read in libiscsi module (CVE-2021-27364)

  • kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)

  • kernel: increase slab leak leads to DoS (CVE-2021-20265)

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):

  • Enable CI and changelog for GitLab workflow (BZ#1930523)
OSVersionArchitecturePackageVersionFilename
RedHat6i686kernel-devel< 2.6.32-754.39.1.el6kernel-devel-2.6.32-754.39.1.el6.i686.rpm
RedHat6s390xkernel-debuginfo-common-s390x< 2.6.32-754.39.1.el6kernel-debuginfo-common-s390x-2.6.32-754.39.1.el6.s390x.rpm
RedHat6x86_64kernel-debuginfo-common-x86_64< 2.6.32-754.39.1.el6kernel-debuginfo-common-x86_64-2.6.32-754.39.1.el6.x86_64.rpm
RedHat6s390xkernel-headers< 2.6.32-754.39.1.el6kernel-headers-2.6.32-754.39.1.el6.s390x.rpm
RedHat6i686kernel-debug< 2.6.32-754.39.1.el6kernel-debug-2.6.32-754.39.1.el6.i686.rpm
RedHat6x86_64perf-debuginfo< 2.6.32-754.39.1.el6perf-debuginfo-2.6.32-754.39.1.el6.x86_64.rpm
RedHat6s390xkernel-kdump< 2.6.32-754.39.1.el6kernel-kdump-2.6.32-754.39.1.el6.s390x.rpm
RedHat6x86_64kernel< 2.6.32-754.39.1.el6kernel-2.6.32-754.39.1.el6.x86_64.rpm
RedHat6s390xkernel-debug-devel< 2.6.32-754.39.1.el6kernel-debug-devel-2.6.32-754.39.1.el6.s390x.rpm
RedHat6s390xpython-perf-debuginfo< 2.6.32-754.39.1.el6python-perf-debuginfo-2.6.32-754.39.1.el6.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

38.3%

JSON
Related for RHSA-2021:1288
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