SB20250226264 - Use-after-free in Linux kernel net bonding driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226264
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-49667)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bond_3ad_unbind_slave() function in drivers/net/bonding/bond_3ad.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/050133e1aa2cb49bb17be847d48a4431598ef562
- https://git.kernel.org/stable/c/2765749def4765c5052a4c66445cf4c96fcccdbc
- https://git.kernel.org/stable/c/63b2fe509f69b90168a75e04e14573dccf7984e6
- https://git.kernel.org/stable/c/893825289ba840afd86bfffcb6f7f363c73efff8
- https://git.kernel.org/stable/c/a853b7a3a9fd1d74a4ccdd9cd73512b7dace2f1e
- https://git.kernel.org/stable/c/b90ac60303063a43e17dd4aec159067599d255e6
- https://git.kernel.org/stable/c/ef0af7d08d26c5333ff4944a559279464edf6f15
- https://git.kernel.org/stable/c/f162f7c348fa2a5555bafdb5cc890b89b221e69c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.251