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Linux kernel update fixes multiple security risks
published 1 year ago
Summary
The standard Linux kernel used in several Canonical Linux images has several weaknesses that could let an attacker gain control of a system. The problems affect core components such as clock management, graphics, several file systems and USB sound handling. Apply the latest kernel updates for the listed Canonical Linux images as soon as possible to protect your servers.
What to do
- Update canonical linux-aws-hwe to version 4.15.0-1181.194~16.04.1.
- Update canonical linux-gcp to version 4.15.0-1174.191~16.04.1.
- Update canonical linux-hwe to version 4.15.0-238.250~16.04.1.
- Update canonical linux-oracle to version 4.15.0-1143.154~16.04.1.
- Update canonical linux to version 4.15.0-238.250.
- Update canonical linux-aws to version 4.15.0-1181.194.
- Update canonical linux-gcp-4.15 to version 4.15.0-1174.191.
- Update canonical linux-kvm to version 4.15.0-1164.169.
- Update canonical linux-oracle to version 4.15.0-1143.154.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Ubuntu:Pro:16.04:LTS | canonical | linux-aws-hwe |
< 4.15.0-1181.194~16.04.1 Fix: upgrade to 4.15.0-1181.194~16.04.1
|
| Ubuntu:Pro:16.04:LTS | canonical | linux-gcp |
< 4.15.0-1174.191~16.04.1 Fix: upgrade to 4.15.0-1174.191~16.04.1
|
| Ubuntu:Pro:16.04:LTS | canonical | linux-hwe |
< 4.15.0-238.250~16.04.1 Fix: upgrade to 4.15.0-238.250~16.04.1
|
| Ubuntu:Pro:16.04:LTS | canonical | linux-oracle |
< 4.15.0-1143.154~16.04.1 Fix: upgrade to 4.15.0-1143.154~16.04.1
|
| Ubuntu:Pro:18.04:LTS | canonical | linux |
< 4.15.0-238.250 Fix: upgrade to 4.15.0-238.250
|
| Ubuntu:Pro:18.04:LTS | canonical | linux-aws |
< 4.15.0-1181.194 Fix: upgrade to 4.15.0-1181.194
|
| Ubuntu:Pro:18.04:LTS | canonical | linux-gcp-4.15 |
< 4.15.0-1174.191 Fix: upgrade to 4.15.0-1174.191
|
| Ubuntu:Pro:18.04:LTS | canonical | linux-kvm |
< 4.15.0-1164.169 Fix: upgrade to 4.15.0-1164.169
|
| Ubuntu:Pro:18.04:LTS | canonical | linux-oracle |
< 4.15.0-1143.154 Fix: upgrade to 4.15.0-1143.154
|
Original advisory text
linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Clock framework and drivers;
- GPU drivers;
- Parport drivers;
- Ext4 file system;
- JFFS2 file system;
- JFS file system;
- File systems infrastructure;
- Sun RPC protocol;
- USB sound devices;
(CVE-2024-42301, CVE-2024-53168, CVE-2024-47701, CVE-2021-47211,
CVE-2024-53155, CVE-2024-56596, CVE-2024-26966, CVE-2024-56551,
CVE-2024-57850)
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Clock framework and drivers;
- GPU drivers;
- Parport drivers;
- Ext4 file system;
- JFFS2 file system;
- JFS file system;
- File systems infrastructure;
- Sun RPC protocol;
- USB sound devices;
(CVE-2024-42301, CVE-2024-53168, CVE-2024-47701, CVE-2021-47211,
CVE-2024-53155, CVE-2024-56596, CVE-2024-26966, CVE-2024-56551,
CVE-2024-57850)
References
- https://ubuntu.com/security/notices/USN-7553-1 Vendor Advisory
- https://ubuntu.com/security/CVE-2021-47211 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-26966 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-42301 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-47701 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-53155 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-53168 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-56551 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-56596 Third Party Advisory
- https://ubuntu.com/security/CVE-2024-57850 Third Party Advisory
Timeline
Published4 Jun 2025
Updated22 Oct 2026
First seen22 Oct 2026
Sources
USN-7553-1 · OSV
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