Home

CVE-2020-11869

Description

An integer overflow was found in QEMU 4.0.1 through 4.2.0 in the way it implemented ATI VGA emulation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati-2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could abuse this flaw to crash the QEMU process, resulting in a denial of service.

Risk Information

Base Score
3.3
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS Score
Exploitation Probability
0.093

Associated Vulnerability

VulnerabilityOS Platform
Multiple Vulnerabilities are affected in QEMU 4.2.0Windows
Machine emulator and virtualizer (USN-4372-1) qemu_4.2-3ubuntu6.1_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu_4.0+dfsg-0ubuntu9.6_i386.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu_4.0+dfsg-0ubuntu9.6_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu_2.11+dfsg-1ubuntu7.26_i386.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu_2.11+dfsg-1ubuntu7.26_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu_2.5+dfsg-5ubuntu10.44_i386.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu_2.5+dfsg-5ubuntu10.44_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_4.2-3ubuntu6.1_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_4.0+dfsg-0ubuntu9.6_i386.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_4.0+dfsg-0ubuntu9.6_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_2.11+dfsg-1ubuntu7.26_i386.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_2.11+dfsg-1ubuntu7.26_amd64.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_2.5+dfsg-5ubuntu10.44_i386.debLinux
Machine emulator and virtualizer (USN-4372-1) qemu-system_2.5+dfsg-5ubuntu10.44_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234