Description

In the Linux kernel, the following vulnerability has been resolved: ftruncate: pass a signed offset The old ftruncate() syscall, using the 32-bit off_t misses a sign extension when called in compat mode on 64-bit architectures. As a result, passing a negative length accidentally succeeds in truncating to file size between 2GiB and 4GiB. Changing the type of the compat syscall to the signed compat_off_t changes the behavior so it instead returns -EINVAL. The native entry point, the truncate() syscall and the corresponding loff_t based variants are all correct already and do not suffer from this mistake.

INFO

Published Date :

2024-07-29T16:26:20.581Z

Last Modified :

2025-11-03T22:01:15.790Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2024-42084 vulnerability.

Vendors Products
Linux
  • Linux Kernel
Redhat
  • Enterprise Linux
  • Rhel Eus

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