SB20250619247 - NULL pointer dereference in Linux kernel netfilter
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619247
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) NULL pointer dereference (CVE-ID: CVE-2022-50001)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nft_tproxy_dump() function in net/netfilter/nft_tproxy.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/0b21edf4cc13516716848e0a4fdf726aa2a62cd9
- https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5
- https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619
- https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200
- https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7
- https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.169