5.4

CVE-2014-8594: debian debian_linux Improper Input Validation

Modified
AliasesUBUNTU-CVE-2014-8594DEBIAN-CVE-2014-8594
Published 19-11-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-8594 is a medium (CVSS 5.4) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.4, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.4/10
010
Medium · v2.0 (NVD)
EPSS score
2.22%
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 1
DSA-3140-1

Timeline

  1. 19-11-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.22%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.22% on 06-10-2026

06-10-202605-11-2026

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: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian2 products
Opensuse1 product
Ubuntu1 product
  • xen< 4.4.1-0ubuntu0.14.04.2
Xen1 product
  • xen4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1

4 vendors · 5 products

References

11 links
Show all 11 references