5.5

CVE-2016-2198: debian debian_linux NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2016-2198DEBIAN-CVE-2016-2198
Published 29-12-2016Last modified 05-08-2024

Vulnerability summary

CVE-2016-2198 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (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 11 · Related 9
DLA-1497-1MGASA-2016-0176OPENSUSE-SU-2024:10196-1SUSE-SU-2016:0873-1SUSE-SU-2016:0955-1SUSE-SU-2016:1318-1

Timeline

  1. 29-12-2016
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

CVSS metrics

5 scores · 3 sources · 3 versions

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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian2 products
Qemu1 product
  • qemu≤ 2.5.1.1 | 2.6.0:rc0 | 2.6.0:rc1 | 2.6.0:rc2 | 2.6.0:rc3 | 2.6.0:rc4
Ubuntu1 product
  • qemu< 2.0.0+dfsg-2ubuntu1.22

3 vendors · 4 products

References

10 links