NULL pointer dereference in Linux kernel sparc kernel



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12615
CWE-ID CWE-476
Exploitation vector Network
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) NULL pointer dereference

EUVDB-ID: #VU90671

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/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-2019-12615

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the get_vdev_port_node_info() function in arch/sparc/kernel/mdesc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.1 - 5.1.6

CPE2.3 External links

https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2014901.html
https://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git/commit/?id=80caf43549e7e41a695c6d1e11066286538b336f
https://www.securityfocus.com/bid/108549
https://security.netapp.com/advisory/ntap-20190710-0002/
https://support.f5.com/csp/article/K60924046
https://support.f5.com/csp/article/K60924046?utm_source=f5support&utm_medium=RSS


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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