Denial of service in QEMU

1) Integer underflow

EUVDB-ID: #VU88538

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24474

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer underflow within the esp_do_nodma() function in hw/scsi/esp.c. A local user can pass specially crafted data to the application, trigger an integer underflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

QEMU: before 8.2.0

External links

http://gitlab.com/qemu-project/qemu/-/issues/1810
http://github.com/qemu/qemu/commit/77668e4b9bca03a856c27ba899a2513ddf52bb52
http://gist.github.com/1047524396/5ce07b9d387095c276b1cd234ae5615e

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.