USN-7455-1: Linux kernel vulnerabilities
Jann Horn discovered that the watchqueue event notification subsystem in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service (system crash) or escalate their privileges. (CVE-2022-0995) 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:
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-7455-1?
The severity of USN-7455-1 is considered high due to its potential to cause a denial of service or privilege escalation.
How do I fix USN-7455-1?
To fix USN-7455-1, update your Linux kernel to the latest patched version as specified in the security notice.
Which versions are affected by USN-7455-1?
USN-7455-1 affects multiple versions of the Ubuntu 22.04 Linux kernel, specifically prior to 5.15.0-138.148.
What type of vulnerability is USN-7455-1?
USN-7455-1 addresses an out-of-bounds write vulnerability in the watch_queue event notification subsystem of the Linux kernel.
Who discovered the vulnerability related to USN-7455-1?
The vulnerability in USN-7455-1 was discovered by Jann Horn.