Unscored severity · published Nov 21, 2012
CVE-2012-4536
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq…
–
CVSS
0.4%
EPSS
No
On KEV
Description
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
2.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-4536
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-4536
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
Vendor Advisory
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html
osvdb.org
http://osvdb.org/87297
More from Xen
10.0
CVE-2017-10921
The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a…
10.0
CVE-2017-10920
The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS…
10.0
CVE-2017-10918
Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222
10.0
CVE-2017-10912
Xen through 4.8.x mishandles page transfer, which allows guest OS users to obtain privileged host OS access, aka XSA-217
10.0
CVE-2015-8104
The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #DB…