Medium severity · published Aug 4, 2023
CVE-2023-4135
A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. The QEMU process does not validate an offset provided by the guest before computing a host heap pointer, which is used for copying data back to the guest. Arbitrary heap memory relative to an allocated buffer can be disclosed.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
38 · source: NVD
QE
Qemu · Qemu
8.0.0 before 8.1.0; 8.1.0; 8.1.0; 8.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4135
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4135
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4135
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2229101
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230915-0012/
Broken Link
https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521
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