CVE-2022-35414
QEMU: cputlb: uninitialized read during address translation leads to a crash
Severity
UnknownRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 11, 2022
Updated · June 28, 2026
Description
softmmu/physmem.c in QEMU through 7.0.0 can perform an uninitialized read on the translate_fail path, leading to an io_readx or io_writex crash. NOTE: a third party states that the Non-virtualization Use Case in the qemu.org reference applies here, i.e., "Bugs affecting the non-virtualization use case are not considered security bugs at this time.
Statement
According to https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case, bugs affecting the Tiny Code Generator (TCG) are not considered security bugs at this time. As a result, Red Hat Product Security does not consider this bug to be a security issue.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 0CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N
CWE-457 · Use of Uninitialized Variable