Input validation error in Linux kernel



| Updated: 2020-08-08
Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2017-7273
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: #VU39356

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-7273

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows physically proximate attackers 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 (integer underflow) or possibly have unspecified other impact via a crafted HID report.

Mitigation

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

Vulnerable software versions

Linux kernel: 4.0 - 4.10.4

CPE2.3 External links

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1ebb71143758f45dc0fa76e2f48429e13b16d110
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.4
https://www.securityfocus.com/bid/97190
https://github.com/torvalds/linux/commit/1ebb71143758f45dc0fa76e2f48429e13b16d110


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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