4.9

CVE-2015-7970: xen Resource Management Errors

Modified
AliasesUBUNTU-CVE-2015-7970DEBIAN-CVE-2015-7970
Published 30-10-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-7970 is a medium (CVSS 4.9) Resource Management Errors vulnerability in xen. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 5
DLA-479-1DSA-3414-1MGASA-2016-0098OPENSUSE-SU-2024:10196-1SUSE-SU-2015:2306-1SUSE-SU-2015:2326-1

Timeline

  1. 30-10-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.44% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • xen< 4.6.0-1
Ubuntu1 product
  • xen< 4.4.2-0ubuntu0.14.04.3
Xen1 product
  • xen3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4

3 vendors · 3 products

References

13 links
Show all 13 references