SB2024111011 - Use-after-free in Linux kernel base driver

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Main Vulnerability Database SB2024111011

SB2024111011 - Use-after-free in Linux kernel base driver

Published: November 10, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024111011
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2024-50226)

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

The vulnerability exists due to a use-after-free error within the mock_decoder_commit() function in tools/testing/cxl/test/cxl.c, within the cxl_region_invalidate_memregion(), cxl_region_decode_reset(), commit_store() and cxl_region_detach() functions in drivers/cxl/core/region.c, within the cxl_decoder_commit() and cxl_decoder_reset() functions in drivers/cxl/core/hdm.c, within the device_for_each_child_reverse() function in drivers/base/core.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References