What is CVE-2022-49280?

CVE-2022-49280 is a critical-severity vulnerability in Linux, classified under Integer Underflow. CVSS score: 9.8/10. Published 2025-02-26.

How severe is CVE-2022-49280?

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

Integer overflow in Linux

CVE-2022-49280

In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.

EPSS: 0.003 (18.1th 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 a51b5b737a0be93fae6ea2a18df03ab2359a3f4b, 5.12, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-191 — Integer Underflow

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-2022-49280?: CVE-2022-49280 is a critical-severity vulnerability in Linux, classified under Integer Underflow. CVSS score: 9.8/10. Published 2025-02-26.
How severe is CVE-2022-49280?: Critical severity. CVSS v3 base score is 9.8 out of 10.