A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial — CVE-2022-4379

Date
Source
MSRC
Vendor
Microsoft
Threat
high
CVSS
7.5

Summary

Advisory CVE-2022-4379. A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to… Vendor: Microsoft. Source: MSRC. Threat: high. CVSS 7.5. See the official…

What to do

General, cautious steps (verify details in the official source):

  • Prioritize patching or mitigation immediately (treat as actively risky).
  • Identify affected product versions in your inventory and verify whether you are impacted.
  • Apply vendor patches/updates or recommended mitigations as soon as available.
  • Read the official advisory for exact affected versions and remediation steps.

Official advisory

Read the official source

Related advisories

Microsoft MSRC 2023-W02