SB2024053175 - Use-after-free in Linux kernel smb client

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Main Vulnerability Database SB2024053175

SB2024053175 - Use-after-free in Linux kernel smb client

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB2024053175
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-2024-35869)

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

The vulnerability exists due to a use-after-free error within the tcon_info_alloc() and tconInfoFree() functions in fs/smb/client/misc.c, within the dfs_cache_remount_fs() function in fs/smb/client/dfs_cache.c, within the get_session(), __dfs_mount_share() and dfs_mount_share() functions in fs/smb/client/dfs.c, within the match_session(), cifs_get_smb_ses(), cifs_mount_put_conns() and cifs_mount() functions in fs/smb/client/connect.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References