RHSA-2023:0856: Important: kernel security update
First published: Tue Feb 21 2023(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> kernel: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)</li> <li> kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)</li> <li> kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)</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 | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/bpftool | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/bpftool-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-abi-whitelists | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-core | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-cross-headers | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-core | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-devel | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-modules | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-modules-extra | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debuginfo-common-ppc64le | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-devel | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-doc | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-headers | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-modules | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-modules-extra | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-tools | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-tools-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-tools-libs | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/perf | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/perf-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/python3-perf | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/python3-perf-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/bpftool | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/bpftool-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-core | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-cross-headers | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-core | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-devel | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-modules | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debug-modules-extra | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-devel | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-headers | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-modules | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-modules-extra | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-tools | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-tools-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/kernel-tools-libs | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/perf | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/perf-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/python3-perf | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
| redhat/python3-perf-debuginfo | <4.18.0-147.80.1.el8_1 | 4.18.0-147.80.1.el8_1 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2023:0856?
The severity of RHSA-2023:0856 is categorized as moderate due to the potential for memory corruption leading to system instability.
How do I fix RHSA-2023:0856?
To fix RHSA-2023:0856, update your kernel packages to version 4.18.0-147.80.1.el8_1 or later.
What vulnerabilities are addressed in RHSA-2023:0856?
RHSA-2023:0856 addresses vulnerabilities including memory corruption in AX88179_178A based USB ethernet device and a use-after-free in Bluetooth handling.
Which systems are affected by RHSA-2023:0856?
Systems running kernel versions prior to 4.18.0-147.80.1.el8_1 are affected by RHSA-2023:0856.
Is RHSA-2023:0856 applicable to both x86_64 and ppc64le architectures?
Yes, RHSA-2023:0856 is applicable to both x86_64 and ppc64le architectures.
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