SB2024030736 - Fedora 39 update for kernel

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Main Vulnerability Database SB2024030736

SB2024030736 - Fedora 39 update for kernel

Published: March 7, 2024

Security Bulletin ID SB2024030736
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) NULL pointer dereference (CVE-ID: CVE-2024-22099)

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

The vulnerability exists due to a NULL pointer dereference error within the rfcomm_check_security() function in /net/bluetooth/rfcomm/core.c. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2024-26622)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the tomoyo_write_control() function. A local  user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References