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Red Hat kernel and bpftool can crash system or allow privilege gain

published 2 years ago

Summary

The Red Hat kernel, its core components, and the bpftool utilities contain bugs that could let a user on the system cause a crash or possibly gain higher privileges. This could disrupt services or expose data. Install the latest Red Hat kernel and bpftool updates as soon as possible to resolve the issues.

What to do

Update redhat bpftool to version 0:4.18.0-477.55.1.el8_8.
Update redhat bpftool-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-abi-stablelists to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-core to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debug to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debug-core to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debug-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debug-devel to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debug-modules to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debug-modules-extra to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debuginfo-common-aarch64 to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debuginfo-common-ppc64le to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debuginfo-common-s390x to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-devel to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-doc to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-modules to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-modules-extra to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-tools to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-tools-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-tools-libs to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-zfcpdump to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-zfcpdump-core to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-zfcpdump-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-zfcpdump-devel to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-zfcpdump-modules to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-zfcpdump-modules-extra to version 0:4.18.0-477.55.1.el8_8.
Update redhat perf to version 0:4.18.0-477.55.1.el8_8.
Update redhat perf-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat python3-perf to version 0:4.18.0-477.55.1.el8_8.
Update redhat python3-perf-debuginfo to version 0:4.18.0-477.55.1.el8_8.
Update redhat kernel-tools-libs-devel to version 0:4.18.0-477.55.1.el8_8.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:rhel_eus:8.8::baseos	redhat	bpftool	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	bpftool-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-abi-stablelists	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-core	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debug	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debug-core	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debug-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debug-devel	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debug-modules	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debug-modules-extra	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debuginfo-common-aarch64	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debuginfo-common-ppc64le	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debuginfo-common-s390x	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-debuginfo-common-x86_64	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-devel	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-doc	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-modules	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-modules-extra	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-tools	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-tools-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-tools-libs	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-zfcpdump	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-zfcpdump-core	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-zfcpdump-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-zfcpdump-devel	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-zfcpdump-modules	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	kernel-zfcpdump-modules-extra	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	perf	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	perf-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	python3-perf	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::baseos	redhat	python3-perf-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	bpftool-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-debug-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-debuginfo-common-aarch64	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-debuginfo-common-ppc64le	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-debuginfo-common-x86_64	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-tools-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	kernel-tools-libs-devel	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	perf-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8
Red Hat:rhel_eus:8.8::crb	redhat	python3-perf-debuginfo	< 0:4.18.0-477.55.1.el8_8 Fix: upgrade to 0:4.18.0-477.55.1.el8_8

Original advisory text

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

References

https://access.redhat.com/errata/RHSA-2024:2621 Vendor Advisory
https://access.redhat.com/security/updates/classification/#important Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2139610 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2147356 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2255498 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2261976 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2621.j... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-33631 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2021-33631 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-33631 Vendor Advisory
https://seclists.org/oss-sec/2024/q1/65 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-3640 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-3640 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-3640 Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/com... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-42895 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-42895 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-42895 Vendor Advisory
https://github.com/google/security-research/security/advisories/GHSA-vccx-8h74-2... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-49940 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2373397 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-49940 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-49940 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025061848-CVE-2022-49940-181b@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-50116 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2373692 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-50116 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-50116 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025061809-CVE-2022-50116-bf10@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-6546 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-6546 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-6546 Vendor Advisory
https://github.com/torvalds/linux/commit/3c4f8333b582487a2d1e02171f1465531cde53e... Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-CAN-20527 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2024-25744 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2263875 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2024-25744 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2024-25744 Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b8... Third Party Advisory

Fix within

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)

Severity

7.1 High

Timeline

Published13 Sep 2024

Updated16 Oct 2026

First seen16 Oct 2026

Sources

RHSA-2024:2621 · OSV

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