SB2024071370 - Improper locking in Linux kernel core
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071370
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) Improper locking (CVE-ID: CVE-2024-40980)
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.
References
- 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