5.5

CVE-2015-5158: qemu Out-of-bounds Write

Modified
AliasesDEBIAN-CVE-2015-5158
Published 08-04-2016Last modified 06-08-2024

Vulnerability summary

CVE-2015-5158 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in qemu. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.43%
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

Timeline

  1. 08-04-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAP_SYS_RAWIO permissions to cause a denial of service (instance crash) via an invalid opcode in a SCSI command descriptor block.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.43% on 22-09-2026

22-09-202622-10-2026

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

Debian1 product
  • qemu< 1:2.4+dfsg-1a
Qemu1 product
  • qemu≥ 2.2.0, < 2.4.0 | 2.4.0 | 2.4.0:rc1 | 2.4.0:rc2

2 vendors · 2 products

References

5 links