Release Date: | 2019-09-24 |
In QEMU 1:4.1-1, 1:2.1+dfsg-12+deb8u6, 1:2.8+dfsg-6+deb9u8, 1:3.1+dfsg-8~deb10u1, 1:3.1+dfsg-8+deb10u2, and 1:2.1+dfsg-12+deb8u12 (fixed), when executing script in lsi_execute_script(), the LSI scsi adapter emulator advances 's->dsp' index to read next opcode. This can lead to an infinite loop if the next opcode is empty. Move the existing loop exit after 10k iterations so that it covers no-op opcodes as well.
See more information about CVE-2019-12068 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
Base Score: | 3.8 | Base Metrics: | AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L |
Access Vector: | Local network | Attack Complexity: | Low |
Privileges Required: | Low | User Interaction: | None |
Scope: | Changed | Confidentiality Impact: | None |
Integrity Impact: | None | Availability Impact: | Low |
Platform | Errata | Release Date |
Oracle Linux version 7 (qemu) | ELSA-2020-5576 | 2020-03-17 |
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