CVE-2014-7840 describes a critical vulnerability in QEMU, specifically within the host_from_stream_offset function, affecting QEMU and Red Hat products. This flaw allows remote attackers to execute arbitrary code by manipulating offset or length values in savevm data during RAM migration. With a CVSS score of 7.5, it poses a significant risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been identified, the vulnerability's severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.1.3CPE matchmatch criteria | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
7.3CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:* | ||
7.4CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* | ||
7.5CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
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