RHSA-2022:1104: Important: kernel security update
First published: Tue Mar 29 2022(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 eventpoll.c may lead to escalation of privilege (CVE-2020-0466)</li> <li> kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)</li> <li> kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)</li> <li> kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)</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 | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-abi-whitelists | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-debug | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-debug-debuginfo | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-debug-devel | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-debuginfo | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-devel | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-doc | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-headers | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-tools | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-tools-debuginfo | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-tools-libs | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/kernel-tools-libs-devel | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/perf | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/perf-debuginfo | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/python-perf | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
| redhat/python-perf-debuginfo | <3.10.0-693.99.1.el7 | 3.10.0-693.99.1.el7 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1920480
- https://bugzilla.redhat.com/show_bug.cgi?id=2029923
- https://bugzilla.redhat.com/show_bug.cgi?id=2031930
- https://bugzilla.redhat.com/show_bug.cgi?id=2042404
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2022:1104 (Advisory)
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