8.2

CVE-2023-2680: Dma reentrancy issue (incomplete fix for cve-2021-3750)

Modified
AliasesRHSA-2023:6368CGA-3fc8-rjw6-5pg5CGA-63p4-vjg6-77hp
Published 13-09-2023Last modified 13-02-2025

Vulnerability summary

CVE-2023-2680 is a high (CVSS 8.2) Use After Free vulnerability in qemu. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.2/10
010
High · v3.1 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-J6GV-9HJ8-FHPJ

Timeline

  1. 13-09-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

This CVE exists because of an incomplete fix for CVE-2021-3750. More specifically, the qemu-kvm package as released for Red Hat Enterprise Linux 9.1 via RHSA-2022:7967 included a version of qemu-kvm that was actually missing the fix for CVE-2021-3750.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat44 products
  • enterprise_linux9.0
  • qemu-guest-agent< 17:8.0.0-16.el9_3
  • qemu-guest-agent-debuginfo< 17:8.0.0-16.el9_3
  • qemu-img< 17:8.0.0-16.el9_3
  • qemu-img-debuginfo< 17:8.0.0-16.el9_3
Chainguard9 products
  • qemuAll versions (No fix recorded)
  • qemu-edk2-aarch64All versions (No fix recorded)
  • qemu-edk2-x86_64All versions (No fix recorded)
  • qemu-ipxeAll versions (No fix recorded)
  • qemu-system-aarch64All versions (No fix recorded)
Wolfi9 products
  • qemuAll versions (No fix recorded)
  • qemu-edk2-aarch64All versions (No fix recorded)
  • qemu-edk2-x86_64All versions (No fix recorded)
  • qemu-ipxeAll versions (No fix recorded)
  • qemu-system-aarch64All versions (No fix recorded)
Qemu1 product

4 vendors · 63 products

References

59 links
Show all 59 references