Vulnerability CVE-2022-35414
Published: 2022-07-11

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.

Type:

CWE-908

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.1/10
8.5/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Complete
Affected software
QEMU -> QEMU 

 References:
https://www.mail-archive.com/qemu-devel@nongnu.org/msg895266.html
https://gitlab.com/qemu-project/qemu/-/issues/1065
https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c
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.aa
https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.c
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482
https://sick.codes/sick-2022-113
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