3.8

CVE-2024-8612: Qemu-kvm: information leak in virtio devices

Deferred
AliasesUBUNTU-CVE-2024-8612DEBIAN-CVE-2024-8612
Published 20-09-2024Last modified 08-11-2025

Vulnerability summary

CVE-2024-8612 is a low (CVSS 3.8) vulnerability in qemu. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 10.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
3.8/10
010
Low · v3.1 (CVE.org)
EPSS score
0.20%
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 8 · Related 7
MGASA-2024-0387OPENSUSE-SU-2024:14411-1SUSE-SU-2024:3744-1SUSE-SU-2024:3948-1SUSE-SU-2024:4094-1SUSE-SU-2024:4304-1

Timeline

  1. 20-09-2024
    PublishedVulnerability first disclosed.
  2. 08-11-2025
    Last modifiedVulnerability information updated.

Description

A flaw was found in QEMU, in the virtio-scsi, virtio-blk, and virtio-crypto devices. The size for virtqueue_push as set in virtio_scsi_complete_req / virtio_blk_req_complete / virito_crypto_req_complete could be larger than the true size of the data which has been sent to guest. Once virtqueue_push() finally calls dma_memory_unmap to ummap the in_iov, it may call the address_space_write function to write back the data. Some uninitialized data may exist in the bounce.buffer, leading to an information leak.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.20% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu2 products
  • qemuAll versions (No fix recorded)
  • qemu-hweAll versions (No fix recorded)
Debian1 product
  • qemuAll versions (No fix recorded)

2 vendors · 3 products

References

8 links