Type confusion in Xen - CVE-2024-31142

Vulnerability identifier: #VU88372

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-31142

CWE-ID: CWE-843

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a malicious guest to escalate privileges on the system.

The vulnerability exists due to a logical error caused by a branch type confusion when implementing fixes for the following vulnerabilities:

#VU65219 (CVE-2022-23816)
#VU65204 (CVE-2022-23825)
#VU65205 (CVE-2022-29900)
#VU79263 (CVE-2023-20569)

A malicious guest can gain access to sensitive information and escalate privileges on the system.

Xen
Citrix Hypervisor
Debian Linux
Gentoo Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
Basesystem Module
Server Applications Module
openSUSE Leap
Fedora
Citrix XenServer
xen-tools-domU
xen-tools-domU-debuginfo
xen-libs
xen-tools-debuginfo
xen-libs-debuginfo-32bit
xen
xen-debugsource
xen-devel
xen-libs-debuginfo
xen-tools
xen-doc-html
xen-libs-32bit
xen-tools-xendomains-wait-disk
xen-libs-64bit-debuginfo
xen-libs-64bit
xen-libs-32bit-debuginfo
app-emulation/xen
xen (Debian package)
EMC Cloud Tiering Appliance

Install updates from vendor's website.

Citrix Hypervisor - update to XS82ECU1062
xen-tools-domU - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-tools-domU-debuginfo - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-tools-debuginfo - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs-debuginfo-32bit - update to 4.12.4_48-3.109.1
xen - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-debugsource - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-devel - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs-debuginfo - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-tools - addressed in versions 4.12.4_48-3.109.1, 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-doc-html - addressed in versions 4.12.4_48-3.109.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs-32bit - addressed in versions 4.12.4_48-3.109.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-tools-xendomains-wait-disk - addressed in versions 4.13.5_12-150200.3.93.1, 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs-64bit-debuginfo - addressed in versions 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs-64bit - addressed in versions 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
xen-libs-32bit-debuginfo - addressed in versions 4.14.6_14-150300.3.72.1, 4.16.6_02-150400.4.55.1, 4.17.4_02-150500.3.30.1
app-emulation/xen - update to 4.17.4
xen - addressed in versions 4.17.4-1.fc38, 4.17.4-1.fc39, 4.18.2-1.fc40
xen (Debian package) - update to 4.17.5+23-ga4e5191dc0-1
EMC Cloud Tiering Appliance - update to 13.2.0.2.31

• https://xenbits.xen.org/xsa/advisory-455.html

• Privilege escalation in Xen
• Fedora 40 update for xen
• Fedora 39 update for xen
• Fedora 38 update for xen
• SUSE update for xen
• SUSE update for xen
• Multiple vulnerabilities in Citrix Hypervisor
• Multiple vulnerabilities in Citrix XenServer
• SUSE update for xen
• SUSE update for xen
• SUSE update for xen
• Gentoo update for Xen
• Debian update for xen
• Multiple vulnerabilities in Dell Cloud Tiering Appliance