SB20241022198 - Use of uninitialized resource in Linux kernel



SB20241022198 - Use of uninitialized resource in Linux kernel

Published: October 22, 2024 Updated: May 12, 2025

Security Bulletin ID SB20241022198
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of uninitialized resource (CVE-ID: CVE-2024-49861)

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

The vulnerability exists due to use of uninitialized resource within the sizeof() function in net/core/filter.c, within the sizeof() function in kernel/trace/bpf_trace.c, within the arg_type_is_dynptr() function in kernel/bpf/verifier.c, within the sizeof() function in kernel/bpf/syscall.c, within the sizeof() function in kernel/bpf/helpers.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.