Vulnerability Monitor

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CVE-2022-35414

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.

Published

2022-07-11T02:15:07.320

Last Modified

2024-11-21T07:11:07.897

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

8.5

Weaknesses

Type: Primary
CWE-908

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 7.0.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c Patch, Third Party Advisory ([email protected])
https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148 Release Notes, Third Party Advisory ([email protected])
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482 Patch, Third Party Advisory ([email protected])
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aa Patch, Third Party Advisory ([email protected])
https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c Patch, Third Party Advisory ([email protected])
https://gitlab.com/qemu-project/qemu/-/issues/1065 Issue Tracking, Mitigation, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List, Third Party Advisory ([email protected])
https://sick.codes/sick-2022-113 Exploit, Patch, Third Party Advisory ([email protected])
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html ([email protected])
https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case Vendor Advisory ([email protected])
https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aa Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gitlab.com/qemu-project/qemu/-/issues/1065 Issue Tracking, Mitigation, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sick.codes/sick-2022-113 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html (af854a3a-2127-422b-91ae-364da2661108)
https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)