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7.8
Red Hat Linux Kernel Security and Bug Fix Update
published 2 years ago
Summary
A security update is available for the Red Hat Linux kernel, which fixes several bugs and security issues. This update is important for all users of Red Hat Linux, as it helps to prevent unauthorized access to the system and ensures the stability of the operating system. It is recommended to apply this update as soon as possible.
What to do
- Update redhat kernel to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-abi-whitelists to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-debug to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-debug-debuginfo to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-debug-devel to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-debuginfo to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-devel to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-doc to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-tools to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-tools-debuginfo to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-tools-libs to version 0:3.10.0-327.100.1.el7.
- Update redhat perf to version 0:3.10.0-327.100.1.el7.
- Update redhat perf-debuginfo to version 0:3.10.0-327.100.1.el7.
- Update redhat python-perf to version 0:3.10.0-327.100.1.el7.
- Update redhat python-perf-debuginfo to version 0:3.10.0-327.100.1.el7.
- Update redhat kernel-tools-libs-devel to version 0:3.10.0-327.100.1.el7.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Red Hat:rhel_aus:7.2::server | redhat | kernel |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-abi-whitelists |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-debug |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-debug-debuginfo |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-debug-devel |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-debuginfo |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-debuginfo-common-x86_64 |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-devel |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-doc |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-tools |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-tools-debuginfo |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-tools-libs |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | perf |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | perf-debuginfo |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | python-perf |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | python-perf-debuginfo |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
| Red Hat:rhel_aus:7.2::server | redhat | kernel-tools-libs-devel |
< 0:3.10.0-327.100.1.el7 Fix: upgrade to 0:3.10.0-327.100.1.el7
|
Original advisory text
Red Hat Security Advisory: kernel security and bug fix update
References
- https://access.redhat.com/errata/RHSA-2021:3399 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1922249 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1970807 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1980101 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3399.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-3347 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2021-3347 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-3347 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2021-22555 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2021-22555 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-22555 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/ne... Third Party Advisory
- https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3... Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-32399 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2021-32399 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-32399 Vendor 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
Published13 Sep 2024
Updated12 Jul 2026
First seen12 Jul 2026
Sources
RHSA-2021:3399 · OSV
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