vulnerability
FreeBSD: VID-8cbd9c08-f8b9-11e6-ae1b-002590263bf5 (CVE-2017-2620): xen-tools -- cirrus_bitblt_cputovideo does not check if memory region is safe
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Feb 22, 2017 | Feb 22, 2017 | Dec 10, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Feb 22, 2017
Added
Feb 22, 2017
Modified
Dec 10, 2025
Description
The Xen Project reports: In CIRRUS_BLTMODE_MEMSYSSRC mode the bitblit copy routine cirrus_bitblt_cputovideo fails to check whether the specified memory region is safe. A malicious guest administrator can cause an out of bounds memory write, very likely exploitable as a privilege escalation.
Solution
freebsd-upgrade-package-xen-tools
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