CVE-2023-0330 — A vulnerability in the lsi53c895a device affects the latest version of qemu

A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem may lead to memory corruption bugs like stack overflow or use-after-free.

01What is this vulnerability?

A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem may lead to memory corruption bugs like stack overflow or use-after-free.

02Affected products

Vendor	Product	Versions
?	?	8.1.0-rc0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-06T00:00:00.000Z
• Last modified: 2024-08-02T05:10:55.143Z

09References

• access.redhat.com — https://access.redhat.com/security/cve/CVE-2023-0330
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2160151
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/10/msg00006.html
• lists.nongnu.org — https://lists.nongnu.org/archive/html/qemu-devel/2023-01/msg03411.html