Review reviewHigh

CVE-2022-50235

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READDIR Restore the previous limit on the @count argument to prevent a buffer overflow attack.

CVSS
7.8
EPSS
0.40%
32.2% percentile
CISA KEV
Not listed
Published
2025.09.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.40%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READDIR Restore the previous limit on the @count argument to prevent a buffer overflow attack.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 9e291a6a28d32545ed2fd959a8165144d1724df1 < 0e57d696f60dee6117a8ace0cac7c5761d375277, >= eabc0aab98e5218ceecd82069b0d6fdfff5ee885 < dc7f225090c29a5f3b9419b1af32846a201555e7, >= 53b1119a6e5028b125f431a0116ba73510d82a72 < c2a878095b5c6f04f90553a3c45872f990dab14e, >= 53b1119a6e5028b125f431a0116ba73510d82a72 < f59c74df82f6ac9d2ea4e01aa3ae7c6c4481652d, >= 53b1119a6e5028b125f431a0116ba73510d82a72 < 00b4492686e0497fdb924a9d4c8f6f99377e176c, >= 5.15.12 < 5.15.75, >= 5.16, >= 5.16.1 < 5.19.17, >= 6.0 < 6.0.3, 5.16
Fixed versions
5.15.75, 5.19.17, 6.0.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-787