kernel: KVM: x86: Disallow hypercalls for guest callers in rings > 0
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | n/a | affected |
|
Configuration 1 [-]
|
| Package | CPE | Advisory | Released Date |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | |||
| kvm-0:83-105.el5_4.7 | cpe:/a:redhat:rhel_virtualization:5 | RHSA-2009:1465 | 2009-09-29T00:00:00Z |
No data available yet.
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-1907-1 | New kvm packages fix several vulnerabilities |
Debian DSA |
DSA-1915-1 | New Linux 2.6.26 packages fix several vulnerabilities |
EUVD |
EUVD-2009-3272 | The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified "random addresses." |
Ubuntu USN |
USN-852-1 | Linux kernel vulnerabilities |
No CVSS v4.0
No CVSS v3.1
No CVSS v3.0
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.400% probability within 30 days)
Key SSVC decision points have not yet been added.
No history.