RHSA-2022:6872: Important: kernel security update
First published: Tue Oct 11 2022(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)</li> <li> Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123)</li> <li> Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125)</li> <li> Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166)</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 | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/bpftool | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/bpftool-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-abi-whitelists | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-core | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-cross-headers | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-core | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-devel | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-modules | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-modules-extra | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debuginfo-common-ppc64le | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-devel | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-doc | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-headers | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-modules | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-modules-extra | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-tools | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-tools-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-tools-libs | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/perf | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/perf-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/python3-perf | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/python3-perf-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/bpftool | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/bpftool-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-core | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-cross-headers | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-core | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-devel | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-modules | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debug-modules-extra | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-devel | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-headers | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-modules | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-modules-extra | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-tools | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-tools-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/kernel-tools-libs | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/perf | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/perf-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/python3-perf | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
| redhat/python3-perf-debuginfo | <4.18.0-147.76.1.el8_1 | 4.18.0-147.76.1.el8_1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2090237
- https://bugzilla.redhat.com/show_bug.cgi?id=2090240
- https://bugzilla.redhat.com/show_bug.cgi?id=2090241
- https://bugzilla.redhat.com/show_bug.cgi?id=2114849
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2022:6872 (Advisory)
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