Integer overflow in Linux kernel udf

1) Integer overflow

EUVDB-ID: #VU91189

Risk: Low

CVSSv4.0: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2015-4167

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow within the fs/udf/inode.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=23b133bdc452aa441fcb9b82cbf6dd05cfd342d0
https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
https://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
https://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
https://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
https://www.debian.org/security/2015/dsa-3290
https://www.debian.org/security/2015/dsa-3313
https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.1
https://www.openwall.com/lists/oss-security/2015/06/02/6
https://www.securityfocus.com/bid/74963
https://www.securitytracker.com/id/1033187
https://www.ubuntu.com/usn/USN-2631-1
https://www.ubuntu.com/usn/USN-2632-1
https://bugzilla.redhat.com/show_bug.cgi?id=1228204
https://github.com/torvalds/linux/commit/23b133bdc452aa441fcb9b82cbf6dd05cfd342d0

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.