NULL pointer dereference in Linux kernel - CVE-2024-43911
Published: August 26, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96523
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-43911
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2024-43911
Install update from vendor's website.
Sources
- 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