PT-2025-38555 · Linux+4 · Linux Kernel+4
Bernard Pidoux
·
Published
2025-09-02
·
Updated
2026-05-26
·
CVE-2025-39848
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 Linux kernel contains a flaw in the
ax25 kiss rcv() function where input skbs are not properly checked for sharing before being queued or manipulated. This can lead to skb->dev becoming NULL, resulting in a crash within netif receive skb core(). Prior to the fix, this issue could cause bugs or corruptions without a major crash. This issue is similar to a previously resolved problem in phonet rcv() addressed by commit 7aaed57c5c28.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Resource Release
Memory Leak
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Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Suse
Ubuntu