vulnerability
Red Hat: CVE-2022-1263: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | 2022-08-31 | 2023-05-08 | 2025-03-17 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
2022-08-31
Added
2023-05-08
Modified
2025-03-17
Description
A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.
Solution(s)
redhat-upgrade-kernelredhat-upgrade-kernel-rt
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.