SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-1432

Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service (premature page free and hypervisor crash) or possibly…

HIGH 7.4EPSS 0.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Xen 4.1.x and 4.2.x, when the XSA-45 patch is in place, does not properly maintain references on pages stored for deferred cleanup, which allows local PV guest kernels to cause a denial of service (premature page free and hypervisor crash) or possibly gain privileges via unspecified vectors.

CVSS 2.0
7.4 HIGHAV:A/AC:M/Au:S/C:C/I:C/A:C
EPSS
0.58% probability · 46th percentile
CISA KEV
Not listed
Weakness
CWE-399
Affected
xen/xen
Source
security@debian.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.