PT-2024-8507 · Linux+5 · Linux Kernel+5
Published
2024-04-18
·
Updated
2025-11-19
·
CVE-2024-35849
CVSS v3.1
7.1
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The vulnerability is related to an information leak in the btrfs ioctl logical to ino() function. This issue occurs because the function copies a 'struct btrfs data container' back to user-space, and this container is allocated via kvmalloc(), which does not zero-fill the memory. As a result, uninitialized memory may be exposed to userspace, potentially revealing sensitive information. The issue can be fixed by using kvzalloc() instead, which zeroes out the memory on allocation.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use of Uninitialized Resource
Information Disclosure
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Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu