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9.1 Critical

CVE-2022-48829 In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix NFSv3 SETATTR/CREATE's handling of large…

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.

Affected products and versions

Product Affected versions Fixed in
Linux 5.17 earliest → < 5.17 5.17
Linux 5.16 earliest → < 5.16.10 5.16.10
Linux 5.15 earliest → < 5.15.24 5.15.24
Linux 5.10 earliest → < 5.10.220 5.10.220
Linux 5.4 earliest → < 5.4.295 5.4.295
Linux 2.6.12 No fix stated
RUGGEDCOM RST2428P Versions not published
SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Versions not published
SCALANCE XCM-/XRM-/XCH-/XRH-300 family Versions not published
Show the other branch
Product Affected versions Fixed in
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 earliest → < 1.1.1 1.1.1

References

Timeline

  1. Published
  2. Last modified

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