What is CVE-2022-49362?

CVE-2022-49362 is a critical-severity vulnerability in Linux, classified under Use After Free. CVSS score: 9.8/10. Published 2025-02-26.

How severe is CVE-2022-49362?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Linux

CVE-2022-49362

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix potential use-after-free in nfsd_file_put() nfsd_file_put_noref() can free @nf, so don't dereference @nf immediately upon return from nfsd_file_put_noref().

Vulnerability class: Use-After-Free

EPSS: 0.003 (18.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 9862064ca81f9b9da8ebe26c86cf2b10c293ba1a, a98e5b3d958ac697aafb3d077eb2cca4a731b7ee, 999397926ab3f78c7d1235cc4ca6e3c89d2769bf
Linux Linux_kernel — versions 5.19

Weakness classification (CWE)

CWE-416 — Use After Free

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2022-49362?: CVE-2022-49362 is a critical-severity vulnerability in Linux, classified under Use After Free. CVSS score: 9.8/10. Published 2025-02-26.
How severe is CVE-2022-49362?: Critical severity. CVSS v3 base score is 9.8 out of 10.