SB2024082651 - NULL pointer dereference in Linux kernel mac80211
Published: August 26, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082651
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-43911)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ieee80211_start_tx_ba_session() function in net/mac80211/agg-tx.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/a5594c1e03b0df3908b1e1202a1ba34422eed0f6
- https://git.kernel.org/stable/c/021d53a3d87eeb9dbba524ac515651242a2a7e3b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60