CVE-2015-4164

medium
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Description

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

References

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html

http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html

http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html

http://support.citrix.com/article/CTX201145

http://www.debian.org/security/2015/dsa-3286

http://www.securityfocus.com/bid/75149

http://www.securitytracker.com/id/1032569

http://xenbits.xen.org/xsa/advisory-136.html

https://security.gentoo.org/glsa/201604-03

Details

Source: MITRE

Published: 2015-06-15

Updated: 2018-10-30

Type: CWE-399

Risk Information

CVSS v2

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

Tenable Plugins

View all (17 total)

IDNameProductFamilySeverity
140019OracleVM 3.4 : xen (OVMSA-2020-0039) (Bunker Buster) (Foreshadow) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) (Meltdown) (POODLE) (Spectre)NessusOracleVM Local Security Checks
critical
111992OracleVM 3.4 : xen (OVMSA-2018-0248) (Bunker Buster) (Foreshadow) (Meltdown) (POODLE) (Spectre)NessusOracleVM Local Security Checks
critical
90380GLSA-201604-03 : Xen: Multiple vulnerabilities (Venom)NessusGentoo Local Security Checks
critical
86203SUSE SLES10 Security Update : Xen (SUSE-SU-2015:1643-1)NessusSuSE Local Security Checks
high
85792SUSE SLED11 Security Update : xen (SUSE-SU-2015:1479-2)NessusSuSE Local Security Checks
high
85791SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2015:1479-1)NessusSuSE Local Security Checks
high
84709FreeBSD : xen-kernel -- vulnerability in the iret hypercall handler (8c31b288-27ec-11e5-a4a5-002590263bf5)NessusFreeBSD Local Security Checks
medium
84634SUSE SLES10 Security Update : Xen (SUSE-SU-2015:1206-1)NessusSuSE Local Security Checks
high
84469SUSE SLES11 Security Update : Xen (SUSE-SU-2015:1157-1)NessusSuSE Local Security Checks
high
84468SUSE SLES11 Security Update : Xen (SUSE-SU-2015:1156-1)NessusSuSE Local Security Checks
high
84334openSUSE Security Update : xen (openSUSE-2015-435)NessusSuSE Local Security Checks
high
84333openSUSE Security Update : xen (openSUSE-2015-434) (Venom)NessusSuSE Local Security Checks
high
84190SUSE SLED11 / SLES11 Security Update : Xen (SUSE-SU-2015:1045-1)NessusSuSE Local Security Checks
high
84169Debian DSA-3286-1 : xen - security updateNessusDebian Local Security Checks
high
84146SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2015:1042-1)NessusSuSE Local Security Checks
high
84140OracleVM 3.2 : xen (OVMSA-2015-0068) (POODLE) (Venom)NessusOracleVM Local Security Checks
low
84139OracleVM 3.3 : xen (OVMSA-2015-0067)NessusOracleVM Local Security Checks
high