#VU34374 Input validation error


Published: 2020-06-03 | Updated: 2020-08-08

Vulnerability identifier: #VU34374

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-20811

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

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


CPE

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?


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