CVE-2014-7822

HIGH

Description

The implementation of certain splice_write file operations in the Linux kernel before 3.16 does not enforce a restriction on the maximum size of a single file, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted splice system call, as demonstrated by use of a file descriptor associated with an ext4 filesystem.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8d0207652cbe27d1f962050737848e5ad4671958

http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html

http://rhn.redhat.com/errata/RHSA-2015-0102.html

http://rhn.redhat.com/errata/RHSA-2015-0164.html

http://rhn.redhat.com/errata/RHSA-2015-0674.html

http://rhn.redhat.com/errata/RHSA-2015-0694.html

http://www.debian.org/security/2015/dsa-3170

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.osvdb.org/117810

http://www.securityfocus.com/bid/72347

http://www.ubuntu.com/usn/USN-2541-1

http://www.ubuntu.com/usn/USN-2542-1

http://www.ubuntu.com/usn/USN-2543-1

http://www.ubuntu.com/usn/USN-2544-1

https://bugzilla.redhat.com/show_bug.cgi?id=1163792

https://github.com/torvalds/linux/commit/8d0207652cbe27d1f962050737848e5ad4671958

https://www.exploit-db.com/exploits/36743/

Details

Source: MITRE

Published: 2015-03-16

Updated: 2017-01-03

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.2

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

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH