Vulnerability in Qemu
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 · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Qemu
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- github.com/qemu/qemu/blob/f200ff158d5abcb974a6b597a962b6b2fbea2b06/softmmu/phys… (Patch, Third Party Advisory)
- github.com/qemu/qemu/commit/418ade7849ce7641c0f7333718caf5091a02fd4c (Patch, Third Party Advisory)
- github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6 (Patch, Third Party Advisory)
- github.com/qemu/qemu/blob/v7.0.0/include/exec/cpu-all.h (Third Party Advisory, Release Notes)
- github.com/qemu/qemu/commit/3517fb726741c109cae7995f9ea46f0cab6187d6 (Patch, Third Party Advisory)
- gitlab.com/qemu-project/qemu/-/issues/1065 (Patch, Third Party Advisory, Mitigation, Issue Tracking)
- www.mail-archive.com/qemu-devel@nongnu.org/msg895266.html
- sick.codes/sick-2022-113 (Exploit, Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
- www.qemu.org/docs/master/system/security.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-35414?
- CVE-2022-35414 is a high-severity vulnerability in Qemu, classified under Use of Uninitialized Resource. CVSS score: 8.8/10. Published 2022-07-11.
- How severe is CVE-2022-35414?
- High severity. CVSS v3 base score is 8.8 out of 10.