Input validation error in Linux kernel



| Updated: 2020-08-10
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2014-3145
CWE-ID CWE-20
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU41700

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-3145

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (over-read and system crash) via crafted BPF instructions.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Linux kernel: 3.0 - 3.14.2

CPE2.3 External links

https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=05ab8f2647e4221cbdb3856dd7d32bd5407316b3
https://linux.oracle.com/errata/ELSA-2014-3052.html
https://secunia.com/advisories/58990
https://secunia.com/advisories/59311
https://secunia.com/advisories/59597
https://secunia.com/advisories/60613
https://www.debian.org/security/2014/dsa-2949
https://www.openwall.com/lists/oss-security/2014/05/09/6
https://www.securityfocus.com/bid/67321
https://www.securitytracker.com/id/1038201
https://www.ubuntu.com/usn/USN-2251-1
https://www.ubuntu.com/usn/USN-2252-1
https://www.ubuntu.com/usn/USN-2259-1
https://www.ubuntu.com/usn/USN-2261-1
https://www.ubuntu.com/usn/USN-2262-1
https://www.ubuntu.com/usn/USN-2263-1
https://www.ubuntu.com/usn/USN-2264-1
https://github.com/torvalds/linux/commit/05ab8f2647e4221cbdb3856dd7d32bd5407316b3
https://source.android.com/security/bulletin/2017-04-01


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.



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