CVE-2022-35414 — Use of Uninitialized Resource in Qemu

CWE-908 — Use of Uninitialized ResourceCWE-457 — Use of Uninitialized Variable6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 46.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
QemuDebian QemuDebian Linux+9 more
Timeline
PublishedJul 11
Latest updateJul 12

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. 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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 2.0 | Impact: 6.0

Affected Packages12 packages

▶debiandebian/qemu< qemu 1:7.1+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:7.1+dfsg-1+2
▶NVDqemu/qemu4.1.50 — 7.0.0

Also affects: Debian Linux 10.0

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-78j4-r4gh-xcm9: softmmu/physmem↗2022-07-12
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OSV
CVE-2022-35414: softmmu/physmem↗2022-07-11
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📋Vendor Advisories

3
Microsoft
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 U↗2022-07-12
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Red Hat
QEMU: cputlb: uninitialized read during address translation leads to a crash↗2022-07-11
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Debian
CVE-2022-35414: qemu - softmmu/physmem.c in QEMU through 7.0.0 can perform an uninitialized read on the...↗2022
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