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XEN : Security Vulnerabilities (Gain Information)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2014-4022 200 +Info 2014-07-09 2014-07-09
2.7
None Local Network Low Single system Partial None None
The alloc_domain_struct function in arch/arm/domain.c in Xen 4.4.x, when running on an ARM platform, does not properly initialize the structure containing the grant table pages for a domain, which allows local guest administrators to obtain sensitive information via the GNTTABOP_setup_table subhypercall.
2 CVE-2014-4021 119 Overflow +Info 2014-06-18 2014-07-24
2.7
None Local Network Low Single system Partial None None
Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.
3 CVE-2014-1895 189 DoS +Info 2014-04-01 2014-04-19
5.8
None Local Network Medium Single system Partial None Complete
Off-by-one error in the flask_security_avc_cachestats function in xsm/flask/flask_op.c in Xen 4.2.x and 4.3.x, when the maximum number of physical CPUs are in use, allows local users to cause a denial of service (host crash) or obtain sensitive information from hypervisor memory by leveraging a FLASK_AVC_CACHESTAT hypercall, which triggers a buffer over-read.
4 CVE-2013-4368 200 +Info 2013-10-17 2014-04-19
1.9
None Local Medium Not required Partial None None
The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.
5 CVE-2013-4361 200 +Info 2013-10-01 2014-04-19
2.1
None Local Low Not required Partial None None
The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address, which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction.
6 CVE-2013-4355 200 +Info 2013-10-01 2014-04-19
1.5
None Local Medium Single system Partial None None
Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.
7 CVE-2013-2076 200 +Info 2013-08-28 2014-04-19
4.3
None Local Network High Single system Complete None None
Xen 4.0.x, 4.1.x, and 4.2.x, when running on AMD64 processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one domain to determine portions of the state of floating point instructions of other domains, which can be leveraged to obtain sensitive information such as cryptographic keys, a similar vulnerability to CVE-2006-1056. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.
8 CVE-2013-1964 264 DoS +Info 2013-05-21 2014-04-19
6.9
None Local Medium Not required Complete Complete Complete
Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possible have other impacts via unspecified vectors.
9 CVE-2013-1442 200 +Info 2013-09-30 2014-04-19
1.2
None Local High Not required Partial None None
Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.
10 CVE-2012-4411 200 +Info 2012-11-23 2014-04-19
4.6
None Local Low Single system Complete None None
The graphical console in Xen 4.0, 4.1 and 4.2 allows local OS guest administrators to obtain sensitive host resource information via the qemu monitor. NOTE: this might be a duplicate of CVE-2007-0998.
Total number of vulnerabilities : 10   Page : 1 (This Page)
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