CVE-2017-8284 | BDVDB-2026-84872 Detail

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

https://bugs.chromium.org/p/project-zero/issues/detail?id=1122
https://github.com/qemu/qemu/commit/30663fd26c0307e414622c7a8607fbc04f92ec14

Exploit#

No public exploit known

History#

Version 12017-04-26Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.