CVE-2017-12134

CWE-68216 documents8 sources

Severity

8.8HIGH

EPSS

0.3%

top 43.28%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Citrix Xenserver

Timeline

PublishedAug 24

Latest updateMay 13

Description

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 2.0 | Impact: 6.0

Affected Packages8 packages

▶Debianlinux< 4.12.12-1+3

▶Ubuntulinux< 4.4.0-97.120

▶Ubuntulinux-aws< 4.4.0-1038.47

▶Ubuntulinux-gke< 4.4.0-1032.32

▶Ubuntulinux-kvm< 4.4.0-1008.13

Patches

Patch: xenbits.xen.org ↗Patch: bugzilla.redhat.com ↗Patch: support.citrix.com ↗

🔴Vulnerability Details

GHSA

GHSA-c46p-g2h9-xcvx: The xen_biovec_phys_mergeable function in drivers/xen/biomerge↗2022-05-13

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OSV

linux vulnerabilities↗2018-05-22

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OSV

linux, linux-aws, linux-gke, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2017-10-10

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OSV

linux-lts-xenial vulnerabilities↗2017-10-10

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OSV

CVE-2017-12134: The xen_biovec_phys_mergeable function in drivers/xen/biomerge↗2017-08-24

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📋Vendor Advisories

Ubuntu

Linux kernel (Trusty HWE) vulnerabilities↗2018-05-22

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Ubuntu

Linux kernel vulnerabilities↗2018-05-22

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Ubuntu

Linux kernel vulnerabilities↗2017-10-10

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Ubuntu

Linux kernel (Xenial HWE) vulnerabilities↗2017-10-10

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Red Hat

xen: linux: Fix Xen block IO merge-ability calculation (XSA-229)↗2017-08-15

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💬Community

Bugzilla

CVE-2017-12134 linux: Fix Xen block IO merge-ability calculation↗2017-08-15

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Bugzilla

CVE-2017-12134 CVE-2017-12135 CVE-2017-12136 CVE-2017-12137 CVE-2017-12855 xen: various flaws [fedora-all]↗2017-08-15

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Bugzilla

CVE-2017-12134 xsa229 xen: linux: Fix Xen block IO merge-ability calculation (XSA-229)↗2017-08-02

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