CVE-2015-8785

MEDIUM

Description

The fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service (infinite loop) via a writev system call that triggers a zero length for the first segment of an iov.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3ca8138f014a913f98e6ef40e939868e1e9ea876

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

http://www.debian.org/security/2016/dsa-3503

http://www.openwall.com/lists/oss-security/2016/01/24/1

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html

http://www.securityfocus.com/bid/81688

http://www.ubuntu.com/usn/USN-2886-1

https://bugzilla.redhat.com/show_bug.cgi?id=1290642

https://github.com/torvalds/linux/commit/3ca8138f014a913f98e6ef40e939868e1e9ea876

Details

Source: MITRE

Published: 2016-02-08

Updated: 2016-12-06

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.5

Severity: MEDIUM