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

First published: Tue Apr 20 2021(Updated: )

The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)</li> <li> kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)</li> <li> kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)</li> <li> kernel: increase slab leak leads to DoS (CVE-2021-20265)</li> 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.<br>Bug Fix(es):<br><li> Enable CI and changelog for GitLab workflow (BZ#1930523)</li>

Affected Software	Affected Version	How to fix
redhat/kernel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-abi-whitelists	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debug	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debug-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debug-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debug-devel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debug-devel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debuginfo-common-i686	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-devel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-doc	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-firmware	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-headers	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/perf	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/perf-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/perf-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/python-perf	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/python-perf-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/python-perf-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debug	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-devel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-headers	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/perf	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/python-perf	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-debuginfo-common-s390x	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-kdump	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-kdump-debuginfo	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6
redhat/kernel-kdump-devel	<2.6.32-754.39.1.el6	2.6.32-754.39.1.el6

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Reference Links

https://access.redhat.com/errata/RHSA-2021:1288 (Advisory)

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