RHSA-2021:4770: Important: kernel security and bug fix update
First published: Tue Nov 23 2021(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)</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> Bring in upstream serial kernel patch (BZ#2007936)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/bpftool | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debug | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debug-devel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-devel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-doc | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-headers | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools-libs | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/perf | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/perf-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/python-perf | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/python-perf-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-bootwrapper | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debug | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debug-devel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-debuginfo-common-ppc64le | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-devel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-headers | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools-libs | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/perf | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/perf-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/python-perf | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
| redhat/python-perf-debuginfo | <3.10.0-957.86.1.el7 | 3.10.0-957.86.1.el7 |
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Reference Links
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- collector/redhat-errata
- source/Red Hat
- anchor-id/RHSA-2021:4770
- agent/software-canonical-lookup
- package-manager/redhat