CVE-2022-4172
Published: 29 November 2022
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.
Notes
Author | Note |
---|---|
mdeslaur | introduced in 7.0 |
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Not vulnerable
(1:4.2-3ubuntu6.24)
|
|
jammy |
Not vulnerable
(1:6.2+dfsg-2ubuntu6.6)
|
|
kinetic |
Released
(1:7.0+dfsg-7ubuntu2.6)
|
|
lunar |
Not vulnerable
(1:7.2+dfsg-5ubuntu2)
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches: upstream: https://gitlab.com/qemu-project/qemu/-/commit/defb70980f6bed36100b74e84220f1764c0dd544 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |