CVE-2022-35414
First published: Mon Jul 11 2022(Updated: )
** DISPUTED ** 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."
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | >=4.1.50<=7.0.0 | |
| Debian Debian Linux | =10.0 | |
| >=4.1.50<=7.0.0 | ||
| =10.0 |
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Reference Links
- https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c
- https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148
- https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482
- https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aa
- https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c
- https://gitlab.com/qemu-project/qemu/-/issues/1065
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://sick.codes/sick-2022-113
- https://www.mail-archive.com/qemu-devel@nongnu.org/msg895266.html
- https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case
- https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html
Frequently Asked Questions
What is CVE-2022-35414?
CVE-2022-35414 is a vulnerability in QEMU that can cause an uninitialized read on the translate_fail path, leading to a crash.
How does CVE-2022-35414 impact QEMU?
CVE-2022-35414 can cause an io_readx or io_writex crash in QEMU.
What is the severity of CVE-2022-35414?
The severity of CVE-2022-35414 is high with a severity score of 8.8.
Which versions of QEMU are affected by CVE-2022-35414?
QEMU versions up to and including 7.0.0 are affected by CVE-2022-35414.
How can I fix CVE-2022-35414?
To fix CVE-2022-35414, upgrade QEMU to a version later than 7.0.0.
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- agent/type
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- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/severity
- agent/references
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- agent/weakness
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- agent/description
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- vendor/qemu
- canonical/qemu qemu
- version/qemu qemu/4.1.50
- version/qemu qemu/7.0.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0