Configuration in xen (Alpine package)



Published: 2012-12-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-3496
CWE-ID CWE-16
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		xen (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Configuration

EUVDB-ID: #VU32742

Risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-3496

CWE-ID: CWE-16 - Configuration

Exploit availability: No

Description

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

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

Mitigation

Install update from vendor's website.

Vulnerable software versions

xen (Alpine package): 4.1.3-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=a11d8b693286b605b2dfa17cbd3556eac2b951a0
http://git.alpinelinux.org/aports/commit/?id=4be65a1c37ff21c3fec2e78bca2dd7b75dee98b9


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.



###SIDEBAR###