High severity7.0NVD Advisory· Published Apr 26, 2017· Updated Jun 17, 2026
CVE-2017-8284
CVE-2017-8284
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.
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Affected products
1Patches
Vulnerability mechanics
References
2- github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14nvdIssue TrackingPatchThird Party Advisory
- bugs.chromium.org/p/project-zero/issues/detailnvdIssue TrackingThird Party Advisory
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