CVE-2022-48829

MediumCVSS 5.5/10Last modified Oct 14, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes

iattr::ia_size is a loff_t, so these NFSv3 procedures must be careful to deal with incoming client size values that are larger than s64_max without corrupting the value.

Silently capping the value results in storing a different value than the client passed in which is unexpected behavior, so remove the min_t() check in decode_sattr3().

Note that RFC 1813 permits only the WRITE procedure to return NFS3ERR_FBIG. We believe that NFSv3 reference implementations also return NFS3ERR_FBIG when ia_size is too large.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
LinuxLinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 72c14aed6838b5d90b4dd926b6a339b34bb02e08; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a231ae6bb50e7c0a9e9efd7b0d10687f1d71b3a3; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 37f2d2cd8eadddbbd9c7bda327a9393399b2f89b; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < aa9051ddb4b378bd22e72a67bc77b9fc1482c5f0; >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a648fdeb7c0e17177a2280344d015dba3fbe3314
LinuxLinux2.6.12
SiemensSIMATIC S7-1500 TM MFP - GNU/Linux subsystem< V1.1.1

References

Timeline

Published
Jul 16, 2024
Last modified
Oct 14, 2026
NVD status
Modified

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CVE-2022-48829: Medium severity, CVSS 5.5 | Vulnix