DEBIAN-CVE-2015-7971

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2015-7971
Published: 30 Oct 2015, 15:59
Last modified:28 Apr 2026, 20:14

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Oct 2015, 15:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:14
Last Modified
Vulnerability information updated

Description

Xen 3.2.x through 4.6.x does not limit the number of printk console messages when logging certain pmu and profiling hypercalls, which allows local guests to cause a denial of service via a sequence of crafted (1) HYPERCALL_xenoprof_op hypercalls, which are not properly handled in the do_xenoprof_op function in common/xenoprof.c, or (2) HYPERVISOR_xenpmu_op hypercalls, which are not properly handled in the do_xenpmu_op function in arch/x86/cpu/vpmu.c.

Affected Systems

  • debian•xen

    < 4.6.0-1 | < 4.6.0-1 | < 4.6.0-1 | < 4.6.0-1

References (1)