CVE-2022-35414

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory qemu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c third party advisory patch
https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c third party advisory patch
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482 third party advisory patch
https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148 third party advisory release notes
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aa third party advisory patch
https://gitlab.com/qemu-project/qemu/-/issues/1065 issue tracking patch mitigation third party advisory
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html
https://sick.codes/sick-2022-113 exploit third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html third party advisory mailing list
https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-35414?
CVE-2022-35414 has been scored as a high severity vulnerability.
How to fix CVE-2022-35414?
To fix CVE-2022-35414, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-35414 being actively exploited in the wild?
It is possible that CVE-2022-35414 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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