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CVE
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CVE-2022-35414Date: (C)2022-07-13   (M)2024-05-16


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 8.8CVSS Score : 6.1
Exploit Score: 2.0Exploit Score: 3.9
Impact Score: 6.0Impact Score: 8.5
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: CHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
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://sick.codes/sick-2022-113
https://www.mail-archive.com/qemu-devel%40nongnu.org/msg895266.html
https://www.qemu.org/docs/master/system/security.html#non-virtualization-use-case

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