SB2024070719 - Resource management error in Linux kernel netfilter
Published: July 7, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070719
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) Resource management error (CVE-ID: CVE-2021-47129)
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_ct_expect_obj_eval() function in net/netfilter/nft_ct.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/da8d31e80ff425f5a65dab7060d5c4aba749e562
- https://git.kernel.org/stable/c/5f3429c05e4028a0e241afdad856dd15dec2ffb9
- https://git.kernel.org/stable/c/2c0e6b35b88a961127066a1028bce9c727cbc3e5
- https://git.kernel.org/stable/c/1710eb913bdcda3917f44d383c32de6bdabfc836
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.43
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.125