SB2022021656 - Fedora 35 update for kernel



SB2022021656 - Fedora 35 update for kernel

Published: February 16, 2022

Security Bulletin ID SB2022021656
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Release of invalid pointer or reference (CVE-ID: CVE-2022-24958)

The vulnerability allows remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to release of illegal memory vulnerability in the drivers/usb/gadget/legacy/inode.c. A remote attacker can send specially crafted data and perform a denial of service (DoS) attack.


2) NULL pointer dereference (CVE-ID: CVE-2022-25258)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error drivers/usb/gadget/composite.c in the Linux kernel. The USB Gadget subsystem lacks certain validation of interface OS descriptor requests (ones with a large array index and ones associated with NULL function pointer retrieval). A local user can run a specially crafted program to trigger memory corruption and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.