1) Input validation error

EUVDB-ID: #VU34374

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-20811

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local authenticated user to manipulate data.

An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.0.0 - 5.0.5

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CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:5.0.0:*:*:*:*:*:*:*

External links

http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a3e23f719f5c4a38ffb3d30c8d7632a4ed8ccd9e
http://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
http://www.debian.org/security/2020/dsa-4698

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?