Race condition in Linux kernel - CVE-2015-3212

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Main Vulnerability Database Vulnerabilities #VU91496

Race condition in Linux kernel - CVE-2015-3212

Published: August 31, 2015 / Updated: February 13, 2023


Vulnerability identifier: #VU91496
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-3212
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition within the sctp_close(), sctp_setsockopt_auto_asconf(), sctp_init_sock(), sctp_copy_sock() and sctp_sock_migrate() functions in net/sctp/socket.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
linux-lts-utopic (Ubuntu package)
linux-lts-vivid (Ubuntu package)

How to mitigate CVE-2015-3212

Install update from vendor's website.

linux (Ubuntu package) - addressed in versions 3.13.0-62.102, 3.19.0-26.28
linux-lts-trusty (Ubuntu package) - update to 3.13.0-62.102~precise1
linux-lts-utopic (Ubuntu package) - update to 3.16.0-46.62~14.04.1
linux-lts-vivid (Ubuntu package) - update to 3.19.0-26.28~14.04.1

External References

Related Security Bulletins