SB2023072601 - Ubuntu update for linux-oem-6.1
Published: July 26, 2023 Updated: March 22, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2023-3269)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in the handling of stack expansion within the memory management subsystem in the Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system with elevated privileges.
2) Use-after-free (CVE-ID: CVE-2023-3389)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in the Linux Kernel io_uring subsystem. A local user can exploit a race condition and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.