CVE-2014-1891 — Improper Restriction of Operations within the Bounds of a Memory Buffer in XEN
Severity
5.2MEDIUMNVD
EPSS
0.3%
top 49.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 1
Latest updateMay 17
Description
Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hypercall in Xen 4.3.x, 4.2.x, 4.1.x, 3.2.x, and earlier, when XSM is enabled, allow local users to cause a denial of service (processor fault) via unspecified vectors, a different vulnerability than CVE-2014-1892, CVE-2014-1893, and CVE-2014-1894.
CVSS vector
AV:A/AC:M/C:N/I:N/A:CExploitability: 4.4 | Impact: 6.9
Affected Packages2 packages
Patches
🔴Vulnerability Details
4GHSA▶
GHSA-4jpf-c3p7-8jx7: Multiple integer overflows in the (1) FLASK_GETBOOL, (2) FLASK_SETBOOL, (3) FLASK_USER, and (4) FLASK_CONTEXT_TO_SID suboperations in the flask hyperc↗2022-05-17
GHSA▶
GHSA-q494-cp95-c73f: Multiple integer overflows in unspecified suboperations in the flask hypercall in Xen 3↗2022-05-17
GHSA▶
GHSA-f8qr-cw4c-jcj3: Multiple integer overflows in the (1) FLASK_GETBOOL and (2) FLASK_SETBOOL suboperations in the flask hypercall in Xen 4↗2022-05-17
📋Vendor Advisories
8Debian▶
CVE-2014-1894: xen - Multiple integer overflows in unspecified suboperations in the flask hypercall i...↗2014
💬Community
1Bugzilla▶
CVE-2014-1891 CVE-2014-1892 CVE-2014-1893 CVE-2014-1894 xen: integer overflow in several XSM/Flask hypercalls (xsa-84)↗2014-02-06