CVE-2012-4535Infinite Loop in XEN

CWE-3997 documents6 sources
Severity
1.9LOWNVD
EPSS
0.1%
top 71.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 21
Latest updateMay 17

Description

Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."

CVSS vector

AV:L/AC:M/C:N/I:N/A:PExploitability: 3.4 | Impact: 2.9

Affected Packages3 packages

debiandebian/xen< xen 4.1.3-4 (bookworm)
Debianxen/xen< 4.1.3-4+3
NVDxen/xen15 versions+14

🔴Vulnerability Details

2
GHSA
GHSA-cjmp-9gj7-24m6: Xen 32022-05-17
OSV
CVE-2012-4535: Xen 32012-11-21

📋Vendor Advisories

2
Red Hat
kernel: xen: VCPU timer overflow leads to PCPU deadlock and host death-by-watchdog2012-11-13
Debian
CVE-2012-4535: xen - Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS admini...2012

💬Community

2
Bugzilla
CVE-2012-4535 kernel: xen: VCPU timer overflow leads to PCPU deadlock and host death-by-watchdog [fedora-all]2012-11-13
Bugzilla
CVE-2012-4535 kernel: xen: VCPU timer overflow leads to PCPU deadlock and host death-by-watchdog2012-10-25