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8.1
Red Hat Linux Kernel Security and Bug Fixes Needed
published 2 years ago
Summary
A security issue in the Linux kernel of Red Hat systems could allow an attacker to gain unauthorized access. This update fixes several security and bug-related issues. It's recommended to install the latest kernel updates to ensure system security and stability.
What to do
- Update redhat bpftool to version 0:4.18.0-477.21.1.el8_8.
- Update redhat bpftool-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-abi-stablelists to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-core to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debug to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debug-core to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debug-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debug-devel to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debug-modules to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debug-modules-extra to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debuginfo-common-aarch64 to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debuginfo-common-ppc64le to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debuginfo-common-s390x to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-devel to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-doc to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-modules to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-modules-extra to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-tools to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-tools-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-tools-libs to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-zfcpdump to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-zfcpdump-core to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-zfcpdump-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-zfcpdump-devel to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-zfcpdump-modules to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-zfcpdump-modules-extra to version 0:4.18.0-477.21.1.el8_8.
- Update redhat perf to version 0:4.18.0-477.21.1.el8_8.
- Update redhat perf-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat python3-perf to version 0:4.18.0-477.21.1.el8_8.
- Update redhat python3-perf-debuginfo to version 0:4.18.0-477.21.1.el8_8.
- Update redhat kernel-tools-libs-devel to version 0:4.18.0-477.21.1.el8_8.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Red Hat:enterprise_linux:8::baseos | redhat | bpftool |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | bpftool-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-abi-stablelists |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-core |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debug |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debug-core |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debug-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debug-devel |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debug-modules |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debug-modules-extra |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debuginfo-common-aarch64 |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debuginfo-common-ppc64le |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debuginfo-common-s390x |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-debuginfo-common-x86_64 |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-devel |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-doc |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-modules |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-modules-extra |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-tools |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-tools-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-tools-libs |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-zfcpdump |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-zfcpdump-core |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-zfcpdump-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-zfcpdump-devel |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-zfcpdump-modules |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | kernel-zfcpdump-modules-extra |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | perf |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | perf-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | python3-perf |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::baseos | redhat | python3-perf-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | bpftool-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-debug-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-debuginfo-common-aarch64 |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-debuginfo-common-ppc64le |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-debuginfo-common-x86_64 |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-tools-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | kernel-tools-libs-devel |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | perf-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
| Red Hat:enterprise_linux:8::crb | redhat | python3-perf-debuginfo |
< 0:4.18.0-477.21.1.el8_8 Fix: upgrade to 0:4.18.0-477.21.1.el8_8
|
Original advisory text
Red Hat Security Advisory: kernel security and bug fix update
References
- https://access.redhat.com/errata/RHSA-2023:4517 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2147364 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2181847 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2187439 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2188396 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2188470 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2192589 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_4517.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2022-42896 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-42896 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-42896 Vendor Advisory
- https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-j... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-49853 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2363383 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-49853 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-49853 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025050144-CVE-2022-49853-a5ef@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-50677 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2420325 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-50677 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-50677 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025120948-CVE-2022-50677-d2c8@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-1281 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-1281 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-1281 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-1829 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-1829 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-1829 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-2124 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-2124 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-2124 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/xfs... Third Party Advisory
- https://lore.kernel.org/linux-xfs/[email protected]/T... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-2194 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-2194 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-2194 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-2235 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-2235 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-2235 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fd... Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Timeline
Published25 Sep 2024
Updated11 Aug 2026
First seen11 Aug 2026
Sources
RHSA-2023:4517 · OSV
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