CVE-2021-3736
MEDIUM
5.5
CVSS Score
Published: August 23, 2022 at 03:51 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsLinux KernelKernel
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
Description
A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 5.14.20
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2021-3736x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1995570x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7fCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200CWE-401
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