CVE-2023-4135: QEMU NVMe Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Fri Aug 04 2023(Updated: )
A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. The QEMU process does not validate an offset provided by the guest before computing a host heap pointer, which is used for copying data back to the guest. Arbitrary heap memory relative to an allocated buffer can be disclosed.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/qemu-kvm | <8.1.0 | 8.1.0 |
| ubuntu/qemu | <1:8.0.4+dfsg-1ubuntu3.23.10.2 | 1:8.0.4+dfsg-1ubuntu3.23.10.2 |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.0.2+ds-2 1:9.1.0+ds-3 | |
| QEMU KVM | >=8.0.0<8.1.0 | |
| QEMU KVM | =8.1.0-rc0 | |
| QEMU KVM | =8.1.0-rc1 | |
| QEMU KVM | =8.1.0-rc2 | |
| Fedoraproject Fedora | =38 | |
| QEMU KVM | ||
| QEMU KVM | <2023-08-03 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-4135
- https://bugzilla.redhat.com/show_bug.cgi?id=2229101
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521
- https://security.netapp.com/advisory/ntap-20230915-0012/
- https://launchpad.net/bugs/cve/CVE-2023-4135
- https://lists.nongnu.org/archive/html/qemu-devel/2023-08/msg00516.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2229104
- https://access.redhat.com/security/cve/cve-2023-4135
- https://gitlab.com/qemu-project/qemu/-/commit/ecb1b7b082d3b7dceff0e486a114502fc52c0fdf
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-21521/
- https://gitlab.com/qemu-project/qemu/-/commit/73064edfb864743cde2c08f319609344af02aeb3
- https://security-tracker.debian.org/tracker/CVE-2023-4135
- https://ubuntu.com/security/notices/USN-6567-1
- https://www.cve.org/CVERecord?id=CVE-2023-4135
- https://nvd.nist.gov/vuln/detail/CVE-2023-4135
- https://ubuntu.com/security/CVE-2023-4135
Frequently Asked Questions
What is CVE-2023-4135?
CVE-2023-4135 is a heap out-of-bounds memory read flaw found in the virtual nvme device in QEMU.
What is the severity of CVE-2023-4135?
CVE-2023-4135 has a severity of medium.
Which software is affected by CVE-2023-4135?
The QEMU QEMU, Fedoraproject Fedora 38, and redhat/qemu-kvm versions up to 8.1.0 are affected by CVE-2023-4135.
How can I fix CVE-2023-4135?
To fix CVE-2023-4135, update to the latest version of QEMU, Fedoraproject Fedora 38, or redhat/qemu-kvm.
What is the Common Weakness Enumeration (CWE) ID of CVE-2023-4135?
The CWE ID of CVE-2023-4135 is 125.
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