CVE-2023-40360: Null Pointer Dereference
First published: Mon Aug 14 2023(Updated: )
QEMU through 8.0.4 accesses a NULL pointer in nvme_directive_receive in hw/nvme/ctrl.c because there is no check for whether an endurance group is configured before checking whether Flexible Data Placement is enabled.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <=8.0.4 | |
| QEMU qemu | >=8.0.0<=8.0.4 | |
| ubuntu/qemu | <1:8.0.4+dfsg-1ubuntu3.23.10.2 | 1:8.0.4+dfsg-1ubuntu3.23.10.2 |
| ubuntu/qemu | <1:8.1.3+ | 1:8.1.3+ |
| debian/qemu | 1:3.1+dfsg-8+deb10u8 1:3.1+dfsg-8+deb10u12 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u5 1:8.2.3+ds-2 |
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Reference Links
- https://gitlab.com/birkelund/qemu/-/commit/6c8f8456cb0b239812dee5211881426496da7b98
- https://gitlab.com/qemu-project/qemu/-/issues/1815
- https://security.netapp.com/advisory/ntap-20230915-0004/
- https://www.qemu.org/docs/master/system/security.html
- https://launchpad.net/bugs/cve/CVE-2023-40360
- https://gitlab.com/qemu-project/qemu/-/commit/73064edfb864743cde2c08f319609344af02aeb3
- https://gitlab.com/qemu-project/qemu/-/commit/6c8f8456cb0b239812dee5211881426496da7b98
- https://security-tracker.debian.org/tracker/CVE-2023-40360
- https://ubuntu.com/security/notices/USN-6567-1
- https://www.cve.org/CVERecord?id=CVE-2023-40360
- https://nvd.nist.gov/vuln/detail/CVE-2023-40360
- https://ubuntu.com/security/CVE-2023-40360
Frequently Asked Questions
What is the severity of CVE-2023-40360?
The severity of CVE-2023-40360 is medium with a severity value of 5.5.
How does CVE-2023-40360 affect QEMU?
CVE-2023-40360 affects QEMU versions up to and including 8.0.4.
What is the root cause of CVE-2023-40360?
The root cause of CVE-2023-40360 is a NULL pointer access in nvme_directive_receive in the hw/nvme/ctrl.c file of QEMU.
How can CVE-2023-40360 be fixed?
To fix CVE-2023-40360, update QEMU to a version higher than 8.0.4, which includes the necessary fixes.
Are there any additional references for CVE-2023-40360?
Yes, additional references for CVE-2023-40360 can be found at the following links: [link1], [link2], [link3].
- collector/nvd-index
- collector/nvd-api
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/references
- agent/remedy
- agent/severity
- agent/weakness
- agent/description
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/author
- agent/event
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/qemu
- canonical/qemu qemu
- version/qemu qemu/8.0.4
- version/qemu qemu/8.0.0
- package-manager/debian
- package-manager/ubuntu