7.2

CVE-2009-1894: pulseaudio Race Condition

CVSS: 7.2v2.0HighModified
AliasesDEBIAN-CVE-2009-1894DSA-1838-1
Published 17-07-2009Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2009-1894 is a high (CVSS 7.2) Race Condition vulnerability in pulseaudio. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
0.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits4reference, exploit-database

Timeline

  1. 17-07-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Race condition in PulseAudio 0.9.9, 0.9.10, and 0.9.14 allows local users to gain privileges via vectors involving creation of a hard link, related to the application setting LD_BIND_NOW to 1, and then calling execv on the target of the /proc/self/exe symlink.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.74%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

0.00 pp

From 0.74% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

  • exploit-databaselocallinuxVerified

    PulseAudio setuid (Ubuntu 9.04 / Slackware 12.2.0) - Local Privilege Escalation

    Maturity: weaponized

Show all 4 exploits
  • exploit-databaselocallinuxVerified

    PulseAudio setuid - Local Privilege Escalation

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • pulseaudio< 0.9.15-4.1 | < 0.9.10-3+lenny1
Pulseaudio1 product

2 vendors · 2 products

References

17 links
Show all 17 references