CVE-2015-6252

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-10-19 · updated 2026-06-17
Weakness: CWE-399

Description

The vhost_dev_ioctl function in drivers/vhost/vhost.c in the Linux kernel before 4.1.5 allows local users to cause a denial of service (memory consumption) via a VHOST_SET_LOG_FD ioctl call that triggers permanent file-descriptor allocation.

Affected products

Linux kernel: through 4.1.4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://www.debian.org/security/2015/dsa-3364
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.5
http://www.openwall.com/lists/oss-security/2015/08/18/3
http://www.securityfocus.com/bid/76400
http://www.securitytracker.com/id/1033666
http://www.ubuntu.com/usn/USN-2748-1
http://www.ubuntu.com/usn/USN-2749-1

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