CVE-2024-56704
kernel: 9p/xen: fix release of IRQ
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 28, 2024
Updated · September 12, 2026
Description
A flaw was found in the Linux kernel's 9p/xen module. This vulnerability allows a local attacker to cause a double-free of an Interrupt Request (IRQ) by providing an incorrect device ID during the IRQ release process. Successful exploitation could lead to a denial of service, causing system instability, or potentially enable privilege escalation.
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 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-415 · Double Free