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CVE-2017-8284

N/A
Published: April 26, 2017 at 02:00 PM UTC
Updated: June 17, 2026 at 01:26 AM UTC
1 product affected across 1 vendorQEMU

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Severity
N/A
Exploit prediction
EPSS 0.4%

Description

The disas_insn function in target/i386/translate.c in QEMU before 2.9.0, when TCG mode without hardware acceleration is used, does not limit the instruction size, which allows local users to gain privileges by creating a modified basic block that injects code into a setuid program, as demonstrated by procmail. NOTE: the vendor has stated "this bug does not violate any security guarantees QEMU makes.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QEMU· Qemu
95%
v ≤ 2.8.1.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/project-zero/issues/detail?id=1122
x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14

CVSS

6.9MEDIUM[email protected]
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-94

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