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XEN : Security Vulnerabilities Published In 2017 (Overflow)

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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-2017-17563 119 DoS Overflow +Priv 2017-12-12 2018-10-19
6.9
None Local Medium Not required Complete Complete Complete
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
2 CVE-2017-15597 119 DoS Overflow Mem. Corr. +Info 2017-10-30 2019-10-02
9.0
None Remote Low Single system Complete Complete Complete
An issue was discovered in Xen through 4.9.x. Grant copying code made an implication that any grant pin would be accompanied by a suitable page reference. Other portions of code, however, did not match up with that assumption. When such a grant copy operation is being done on a grant of a dying domain, the assumption turns out wrong. A malicious guest administrator can cause hypervisor memory corruption, most likely resulting in host crash and a Denial of Service. Privilege escalation and information leaks cannot be ruled out.
3 CVE-2017-10921 119 DoS Overflow Mem. Corr. 2017-07-04 2019-10-02
10.0
None Remote Low Not required Complete Complete Complete
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 denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.
4 CVE-2017-10920 119 DoS Overflow Mem. Corr. 2017-07-04 2019-10-02
10.0
None Remote Low Not required Complete Complete Complete
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 users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.
5 CVE-2015-7504 119 DoS Exec Code Overflow 2017-10-16 2018-01-04
4.6
None Local Low Not required Partial Partial Partial
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
Total number of vulnerabilities : 5   Page : 1 (This Page)
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