PT-2025-18588 · Linux+2 · Linux Kernel+2
Published
2022-11-02
·
Updated
2025-07-11
·
CVE-2022-49871
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to memory leaks in the Linux kernel, specifically in the
napi get frags function. The problem occurs when tun get user() is called, leading to memory leaks in tun napi del(). The memory leaks are caused by the napi->rx list not being empty when gro normal list() is not called. To fix the issue, napi complete() should be added after napi gro frags().Recommendations
To resolve the issue, add
napi complete() after napi gro frags() in the affected code.
At the moment, there is no information about a newer version that contains a fix for this vulnerability.Exploit
Memory Leak
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Suse