Find real vulnerabilities before they ship
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.
Base Score
7
| Base Score | 7 |
|---|---|
| Vector String | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Base Severity | High |
| Version | 3.0 |
| Attack Vector (AV) | LOCAL |
