#VU91669 Integer underflow in Linux kernel - CVE-2024-27403
Published: June 10, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91669
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-27403
CWE-ID: CWE-191
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 execute arbitrary code.
The vulnerability exists due to integer underflow within the flow_offload_dst_cookie() and nft_flow_dst_release() functions in net/netfilter/nf_flow_table_core.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/4c167af9f6b5ae4a5dbc243d5983c295ccc2e43c
- https://git.kernel.org/stable/c/012df10717da02367aaf92c65f9c89db206c15f4
- https://git.kernel.org/stable/c/558b00a30e05753a62ecc7e05e939ca8f0241148
- https://git.kernel.org/stable/c/670548c8db44d76e40e1dfc06812bca36a61e9ae
- https://git.kernel.org/stable/c/9e0f0430389be7696396c62f037be4bf72cf93e3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8