#VU98952 NULL pointer dereference in Linux kernel - CVE-2024-49949
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU98952
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-2024-49949
CWE-ID: CWE-476
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 NULL pointer dereference within the qdisc_pkt_len_init() function in net/core/dev.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/ba26060a29d3ca1bfc737aa79f7125128f35147c
- https://git.kernel.org/stable/c/939c88cbdc668dadd8cfa7a35d9066331239041c
- https://git.kernel.org/stable/c/d6114993e0a89fde84a60a60a8329a571580b174
- https://git.kernel.org/stable/c/25ab0b87dbd89cecef8a9c60a02bb97832e471d1
- https://git.kernel.org/stable/c/f959cce8a2a04ce776aa8b78e83ce339e0d7fbac
- https://git.kernel.org/stable/c/81fd007dcd47c34471766249853e4d4bce8eea4b
- https://git.kernel.org/stable/c/c20029db28399ecc50e556964eaba75c43b1e2f1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- 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-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55