#VU94270 Improper locking in Linux kernel - CVE-2024-40980
Published: July 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94270
Vulnerability risk: Low
CVSSv4.0: 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-2024-40980
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the reset_per_cpu_data(), trace_drop_common(), net_dm_hw_reset_per_cpu_data(), net_dm_hw_summary_probe() and __net_dm_cpu_data_init() functions in net/core/drop_monitor.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/594e47957f3fe034645e6885393ce96c12286334
- https://git.kernel.org/stable/c/96941f29ebcc1e9cbf570dc903f30374909562f5
- https://git.kernel.org/stable/c/b3722fb69468693555f531cddda5c30444726dac
- https://git.kernel.org/stable/c/f251ccef1d864790e5253386e95544420b7cd8f3
- https://git.kernel.org/stable/c/76ce2f9125244e1708d29c1d3f9d1d50b347bda0
- https://git.kernel.org/stable/c/07ea878684dfb78a9d4f564c39d07e855a9e242e
- https://git.kernel.org/stable/c/f1e197a665c2148ebc25fe09c53689e60afea195
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.221
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.162
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.279
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.96
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.36