Use-after-free in Linux kernel - CVE-2024-35869

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Main Vulnerability Database Vulnerabilities #VU90157

Use-after-free in Linux kernel - CVE-2024-35869

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


Vulnerability identifier: #VU90157
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-35869
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

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.

External links