CVE-2018-10471 — Out-of-bounds Write in XEN

CWE-787 — Out-of-bounds Write7 documents6 sources
Severity
6.5MEDIUMNVD
OSV5.6
EPSS
0.1%
top 81.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
XENDebian XENDebian Linux
Timeline
PublishedApr 27
Latest updateMay 14

Description

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitability: 2.0 | Impact: 4.0

Affected Packages3 packages

▶debiandebian/xen< xen 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 (bookworm)
▶Debianxen/xen< 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6+3
▶NVDxen/xen4.10.1

Also affects: Debian Linux 9.0

🔴Vulnerability Details

2
GHSA
GHSA-v5vc-f4vf-8rvg: An issue was discovered in Xen through 4↗2022-05-14
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OSV
CVE-2018-10471: An issue was discovered in Xen through 4↗2018-04-27
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📋Vendor Advisories

2
Red Hat
xen: x86 PV guest may crash Xen with XPTI↗2018-04-25
▶
Debian
CVE-2018-10471: xen - An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to ...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-10471 xen: xsa259 xen: x86 PV guest may crash Xen with XPTI [fedora-all]↗2018-04-25
▶
Bugzilla
CVE-2018-10471 xsa259 xen: x86 PV guest may crash Xen with XPTI↗2018-04-11
▶