CVE-2022-2153
Description
A flaw was found in the Linux kernelβs KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. 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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or β if you've already worked around this in production β publish your fix to the community-verified tier.
β Propose a mitigation on Community β Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| β | Affected | β |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| β | Fixed | 6.2-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 5.17.3-1 |
| sid | Fixed | 5.17.3-1 |
| forky | Fixed | 5.17.3-1 |
| bullseye | Fixed | 5.10.140-1 |
| bookworm | Fixed | 5.17.3-1 |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | β |
| 8 | Fixed | β |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.