CVE-2026-89780
kernel: net: qualcomm: rmnet: restore skb->dev on deaggregated frames
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 16, 2026
Updated · October 22, 2026
Description
A flaw was found in the Qualcomm rmnet driver of the Linux kernel. An unprivileged local user can exploit this vulnerability by manipulating network namespaces and rmnet link configurations. This can lead to a null-pointer dereference when processing deaggregated frames, causing a kernel panic and resulting in a system-wide Denial of Service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference