Vulnerability identifier: #VU10812

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5803

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the _sctp_make_chunk() function due to boundary error. A local attacker can submit a crafted SCTP packet, trigger memory corruption and cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 4.15.0 - 4.15.0-r7

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External links
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=07f2c7ab6f8d0a7e7c5764c...

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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.