#VU99030 Improper locking in Linux kernel - CVE-2024-47678
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99030
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-2024-47678
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 icmpv6_mask_allow(), icmpv6_global_allow(), icmpv6_xrlim_allow(), icmp6_send() and icmpv6_echo_reply() functions in net/ipv6/icmp.c, within the __SPIN_LOCK_UNLOCKED(), icmpv4_mask_allow(), icmpv4_global_allow(), icmpv4_xrlim_allow(), icmp_reply() and __icmp_send() functions in net/ipv4/icmp.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/997ba8889611891f91e8ad83583466aeab6239a3
- https://git.kernel.org/stable/c/662ec52260cc07b9ae53ecd3925183c29d34288b
- https://git.kernel.org/stable/c/a7722921adb046e3836eb84372241f32584bdb07
- https://git.kernel.org/stable/c/483397b4ba280813e4a9c161a0a85172ddb43d19
- https://git.kernel.org/stable/c/8c2bd38b95f75f3d2a08c93e35303e26d480d24e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54