CVE-2022-4172 — Classic Buffer Overflow in Qemu
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.0%
top 90.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 29
Latest updateJun 19
Description
An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitability: 2.0 | Impact: 4.0
Patches
🔴Vulnerability Details
4GHSA▶
GHSA-7m5q-w7p8-x8h4: An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record()↗2022-11-29
CVEList▶
CVE-2022-4172: An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record()↗2022-11-29
OSV▶
CVE-2022-4172: An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record()↗2022-11-29