CVE-2024-50260

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-50260
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50260.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-50260
Downstream
Related
Published
2024-11-09T11:15:11Z
Modified
2024-11-16T05:00:03Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

sockmap: fix a NULL pointer dereference in sockmaplinkupdate_prog()

The following race condition could trigger a NULL pointer dereference:

sockmaplinkdetach(): sockmaplinkupdateprog(): mutexlock(&sockmapmutex); ... sockmaplink->map = NULL; mutexunlock(&sockmapmutex); mutexlock(&sockmapmutex); ... sockmapproglinklookup(sockmaplink->map); mutexunlock(&sockmap_mutex); <continue>

Fix it by adding a NULL pointer check. In this specific case, it makes no sense to update a link which is being released.

References

Affected packages

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
6.11.7-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}