Medium severity · published Mar 20, 2024
CVE-2023-46840
Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen
4.1
CVSS
0.3%
EPSS
No
On KEV
Description
Incorrect placement of a preprocessor directive in source code results
in logic that doesn't operate as intended when support for HVM guests is
compiled out of Xen.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
39 · source: NVD
XE
Xen · Xen
4.17 and later · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-46840
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-46840
Patch
https://xenbits.xenproject.org/xsa/advisory-450.html
Patch
http://xenbits.xen.org/xsa/advisory-450.html
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XLL6SQ6IKFYXLYWITYZCRV5IBRK5G35R/
More from Fedora
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2024-4577
Argument Injection in PHP-CGI
9.8
CVE-2021-44026
Roundcube Webmail SQL Injection Vulnerability
9.8
CVE-2021-42013
Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)