CVE-2015-7550

Source
https://nvd.nist.gov/vuln/detail/CVE-2015-7550
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2015-7550.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2015-7550
Related
Published
2016-02-08T03:59:02Z
Modified
2024-09-18T01:00:20Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The keyctlreadkey function in security/keys/keyctl.c in the Linux kernel before 4.3.4 does not properly use a semaphore, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted application that leverages a race condition between keyctlrevoke and keyctlread calls.

References

Affected packages

Debian:11 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-3

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-3

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.3-3

Ecosystem specific

{
    "urgency": "not yet assigned"
}