CVE-2021-29795
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a...
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.
- Record
CVE-2021-29795- CVSS 3.0
- 6.0 Medium
CVSS:3.0/PR:H/S:C/AV:L/A:H/C:N/UI:N/AC:L/I:N/E:U/RC:C/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-16269
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.
- Record
EUVD-2021-16269- CVSS 3.0
- 6.0 Medium
CVSS:3.0/PR:H/S:C/AV:L/A:H/C:N/UI:N/AC:L/I:N/E:U/RC:C/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jc84-3h2h-pgxj No score
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a...
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.
- Record
GHSA-jc84-3h2h-pgxj- Weakness
- CWE-74
- Updated
- 2026-11-02
NVD
IBM PowerVM Hypervisor FW860, FW930, FW940, and FW950 could allow a local user to create a specially crafted sequence of hypervisor calls from a partition that could crash the system. IBM X-Force ID: 203557.
- Record
CVE-2021-29795- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H - CVSS 3.0
- 6.0 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-74
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29795 is a medium vulnerability (CVSS 6.0) in Ibm Powervm Hypervisor, published September 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 14th percentile. No source names a fixed version.