Improper locking in Xen - CVE-2024-31143

Vulnerability identifier: #VU94499

CSH Severity: Medium

CVSS v4: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H]

CVE-ID: CVE-2024-31143

CWE-ID: CWE-667

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to double unlock in x86 guest IRQ handling. An optional feature of PCI MSI called "Multiple Message" allows a device to use multiple consecutive interrupt vectors. A malicious guest can crash the hypervisor.

Xen
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Proxy
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
openSUSE Leap Micro
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
Basesystem Module
Server Applications Module
openSUSE Leap
Fedora
xen-tools-domU
xen-libs
xen-tools-domU-debuginfo
xen-tools-debuginfo
xen
xen-libs-debuginfo
xen-tools
xen-libs-debuginfo-32bit
xen-doc-html
xen-libs-32bit
xen-debugsource
xen-devel
xen-libs-32bit-debuginfo
xen-tools-xendomains-wait-disk
xen-libs-64bit-debuginfo
xen-libs-64bit
xen (Debian package)
EMC Cloud Tiering Appliance

Install updates from vendor's website.

xen-tools-domU - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-tools-domU-debuginfo - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-tools-debuginfo - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs-debuginfo - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-tools - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs-debuginfo-32bit - update to 4.12.4_52-3.115.1
xen-doc-html - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs-32bit - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-debugsource - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-devel - addressed in versions 4.12.4_52-3.115.1, 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs-32bit-debuginfo - addressed in versions 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-tools-xendomains-wait-disk - addressed in versions 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs-64bit-debuginfo - addressed in versions 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen-libs-64bit - addressed in versions 4.16.6_04-150400.4.62.1, 4.17.4_04-150500.3.33.1
xen - addressed in versions 4.17.4-2.fc39, 4.18.2-4.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-458.html

• Multiple vulnerabilities in Xen
• SUSE update for xen
• Fedora 40 update for xen
• Fedora 39 update for xen
• SUSE update for xen
• SUSE update for xen
• Debian update for xen
• Multiple vulnerabilities in Dell Cloud Tiering Appliance