VDB

CVE-2017-8284

CVE-2017-8284 PUBLISHED

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.

EPSS 0.11% · 28.6th percentile

Risk Scores

EPSS Score
0.11%
28.6th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:14.04:LTSqemu*, 1.7.0+dfsg-2ubuntu8, 1.7.0+dfsg-2ubuntu9
Ubuntu:Pro:16.04:LTSqemu1:2.4+dfsg-4ubuntu1, 1:2.4+dfsg-4ubuntu2, 1:2.4+dfsg-4ubuntu3

Timeline

  • Apr 26, 2017 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Oct 26, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 28, 2022 EPSS Score
  • May 2, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score
  • Jan 8, 2023 EPSS Score
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