SB2024053167 - Use-after-free in Linux kernel smb client
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053167
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-35864)
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 smb2_is_valid_lease_break() function in fs/smb/client/smb2misc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c868cabdf6fdd61bea54532271f4708254e57fc5
- https://git.kernel.org/stable/c/f92739fdd4522c4291277136399353d7c341fae4
- https://git.kernel.org/stable/c/a8344e2b69bde63f713b0aa796d70dbeadffddfb
- https://git.kernel.org/stable/c/705c76fbf726c7a2f6ff9143d4013b18daaaebf1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5