CVE-2023-30440 IBM PowerVM Hypervisor denial of service
A local attacker with SRIOV virtual function control can cause denial of service or data corruption in peer partitions on IBM PowerVM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-30440?
CVE-2023-30440 is a medium-severity denial of service vulnerability in IBM PowerVM Hypervisor, published on 23 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM PowerVM Hypervisor FW860.00 through FW860.B3, FW950.00 through FW950.70, FW1010.00 through FW1010.50, FW1020.00 through FW1020.30, and FW1030.00 through FW1030.10 could allow a local attacker with control a partition that has been assigned SRIOV virtual function (VF) to cause a denial of service to a peer partition or arbitrary data corruption. IBM X-Force ID: 253175.
Weakness: CWE-20
Which versions are affected by CVE-2023-30440?
It affects 1 product.
Products include Ibm Powervm Hypervisor.
How do I fix CVE-2023-30440?
No fix has been published for CVE-2023-30440 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-30440 being exploited?
There is no known exploitation of CVE-2023-30440 in the wild and no public exploit code.
Other vulnerabilities in IBM PowerVM Hypervisor
Sources
Also known as GHSA-g7gv-6gqh-4hfg.