Cloud Foundry Foundation cflinuxfs3 update for systemd

Published: 2022-08-30
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-2526
Exploitation vector Network
Public exploit N/A
Vulnerable software
Other software / Other software solutions

Vendor Cloud Foundry Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU66757

Risk: Medium


CVE-ID: CVE-2022-2526

CWE-ID: CWE-416 - Use After Free

Exploit availability: No


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the on_stream_io() and dns_stream_complete() functions in resolved-dns-stream.c, which do not increment the reference counting for the DnsStream object. A remote attacker can send to the system specially crafted DNS responses, trigger a use-after-free error and perform a denial of service (DoS) attack.


Install update from vendor's website.

Vulnerable software versions

cflinuxfs3: before 0.319.0

External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?