Access Restriction Bypass Affecting perf package, versions <0:2.6.32-220.7.1.el6


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-ORACLE6-PERF-2463854
  • published10 Apr 2022
  • disclosed8 Jun 2013

Introduced: 8 Jun 2013

CVE-2011-4347  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:6 perf to version 0:2.6.32-220.7.1.el6 or higher.
This issue was patched in ELSA-2012-0350.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service (host OS crash) via a KVM_ASSIGN_PCI_DEVICE operation.

CVSS Scores

version 3.1