What’s Vulnerable › Vulnerabilities

CVE-2022-50006: NFSv4.2 fix problems with __nfs42_ssc_open

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2 fix problems with __nfs42_ssc_open A destination server while doing a COPY shouldn't accept using the passed in filehandle if its not a regular filehandle. If alloc_file_pseudo() has failed, we need to decrement a reference on the newly created inode, otherwise it leaks.

Affected products

• Linux kernel: from 5.5 before 5.10.140; from 5.11 before 5.15.64; from 5.16 before 5.19.6; 6.0-rc1, 6.0-rc2 — fixed in 5.10.140, 5.15.64, 5.19.6

How to fix

Upgrade to a fixed version: Linux kernel 5.10.140, 5.15.64, 5.19.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5626f95356111602ad26fc05445a4d1f818a0992
• https://git.kernel.org/stable/c/5e49ea099850feadcbf33c74b4f514a3e8049b91
• https://git.kernel.org/stable/c/c2a47f6903e270c308c40ad4a23c17b30a54373c
• https://git.kernel.org/stable/c/fcfc8be1e9cf2f12b50dce8b579b3ae54443a014

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