CVE-2024-53240
kernel: xen: netfront: Backend can crash Linux netfront (Xen Security Advisory 465)
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 17, 2024
Updated · October 29, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
xen/netfront: fix crash when removing device
When removing a netfront device directly after a suspend/resume cycle it might happen that the queues have not been setup again, causing a crash during the attempt to stop the queues another time.
Fix that by checking the queues are existing before trying to stop them.
This is XSA-465 / CVE-2024-53240.
Statement
Only systems with non-trusted network backends are vulnerable.
As far as known only Linux guests with the fix for CVE-2022-48969 applied are vulnerable (this includes all kernel versions from 6.1 onwards)
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 · 6.8CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference