First published: Tue Jun 01 2021(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)</li> <li> kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)</li> <li> kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free (CVE-2020-29661)</li> <li> kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532)</li> <li> kernel: ICMP rate limiting can be used for DNS poisoning attack (CVE-2020-25705)</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.
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-abi-whitelists | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debug | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debug-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debug-devel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-devel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-doc | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-headers | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools-libs | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools-libs-devel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/perf | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/perf-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/python-perf | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/python-perf-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-bootwrapper | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debug | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debug-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debug-devel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-debuginfo-common-ppc64le | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-devel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-headers | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools-libs | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/kernel-tools-libs-devel | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/perf | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/perf-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/python-perf | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
redhat/python-perf-debuginfo | <3.10.0-693.87.1.el7 | 3.10.0-693.87.1.el7 |
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RHSA-2021:2164 addresses an integer overflow vulnerability in Intel Graphics Drivers (CVE-2020-12362) and a local buffer overflow in ctnetlink_parse_tuple_filter.
The severity of RHSA-2021:2164 is considered moderate, based on the potential impact of the identified vulnerabilities.
To fix RHSA-2021:2164, you should update the kernel packages to version 3.10.0-693.87.1.el7 or later.
Systems running kernel version lower than 3.10.0-693.87.1.el7 are affected by RHSA-2021:2164.
You should update the kernel and its associated packages like kernel-debug, kernel-devel, and kernel-headers to remediate RHSA-2021:2164.