SB2025011758 - Use-after-free in Linux kernel smb client
Published: January 17, 2025 Updated: May 11, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-54680)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the clean_demultiplex_info(), cifs_get_tcp_session(), cifs_crypto_secmech_release(), cifs_put_tcp_session() and generic_ip_connect() functions in fs/smb/client/connect.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/127e907e11ccd54b59bb78fc22c43ccb76c71079
- https://git.kernel.org/stable/c/906807c734ed219dcb2e7bbfde5c4168ed72a3d0
- https://git.kernel.org/stable/c/e9f2517a3e18a54a3943c098d2226b245d488801
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.88