Fedora 24 update for xen



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-2620
CWE-ID CWE-125
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

xen
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU31986

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-2620

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 24

xen: before 4.6.4-8.fc24

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-1607a3a78e


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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