Home/CVE/softmmu/physmem.c in QEMU through 7.0.0 can perform an uninitialized read on the translate_fail path, leading to an io_r
CVE

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_r

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.

HIGH · CVSS 8.8 EPSS 0.00297
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-908Use of Uninitialized Resource
▤

Affected Products & Versions

2
qemu>= 4.1.50 and <= 7.0.0
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocsick.codes · sick-2022-113sick.codes
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jul 2022 · 02:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

7
msrcCVE-2022-35414
suse-csafopenSUSE-SU-2024:12209-1
suse-csafSUSE-SU-2023:0761-1
suse-csafSUSE-SU-2022:3795-1
suse-csafSUSE-SU-2022:3768-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/physmem.cPatchThird Party Advisory
https://github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h#L145-L148Release NotesThird Party Advisory
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482PatchThird Party Advisory
https://github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6#diff-83c563ed6330dc5d49876f1116e7518b5c16654bbc6e9b4ea8e28f5833d576fcR482.aaPatchThird Party Advisory
https://github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4cPatchThird Party Advisory
https://gitlab.com/qemu-project/qemu/-/issues/1065Issue TrackingMitigationPatchThird Party Advisory
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