SB20240711167 - Input validation error in Linux kernel net netfilter
Published: July 11, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240711167
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) Input validation error (CVE-ID: CVE-2024-27016)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the nf_flow_xmit_xfrm(), nf_flow_skb_encap_protocol() and nf_flow_encap_pop() functions in net/netfilter/nf_flow_table_ip.c, within the nf_flow_offload_inet_hook() function in net/netfilter/nf_flow_table_inet.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/d06977b9a4109f8738bb276125eb6a0b772bc433
- https://git.kernel.org/stable/c/8bf7c76a2a207ca2b4cfda0a279192adf27678d7
- https://git.kernel.org/stable/c/a2471d271042ea18e8a6babc132a8716bb2f08b9
- https://git.kernel.org/stable/c/cf366ee3bc1b7d1c76a882640ba3b3f8f1039163
- https://git.kernel.org/stable/c/87b3593bed1868b2d9fe096c01bcdf0ea86cbebf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.157
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.29