Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a ("netfilter: nf_tables: map basechain priority to hardware priority") when nft_chain_offload_priority() returned an error.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.3, < 5.10.146 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852Patch
- https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714Patch
- https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17acPatch
- https://git.kernel.org/stable/c/b043a525a3f5520abb676a7cd8f6328fdf959e88Patch
- https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852Patch
- https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714Patch
- https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17acPatch
- https://git.kernel.org/stable/c/b043a525a3f5520abb676a7cd8f6328fdf959e88Patch
FAQ
What is CVE-2022-48642?
CVE-2022-48642 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() It seems to me that percpu memory for chain stats started lea...
How severe is CVE-2022-48642?
CVE-2022-48642 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-48642?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.