SB20240624124 - Resource management error in Linux kernel netfilter
Published: June 24, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240624124
CSH 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 vulnerability.
1) Resource management error (CVE-ID: CVE-2021-47174)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: 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
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the nft_pipapo_avx2_lookup() function in net/netfilter/nft_set_pipapo_avx2.c, within the pipapo_refill() function in net/netfilter/nft_set_pipapo.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/b1f45a26bd322525c14edd9504f6d46dfad679a4
- https://git.kernel.org/stable/c/727a2b4fc951ee69847d4904d98961856ea9fbe6
- https://git.kernel.org/stable/c/f0b3d338064e1fe7531f0d2977e35f3b334abfb4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13