6.5

CVE-2022-4172: fedoraproject fedora

Modified
AliasesUBUNTU-CVE-2022-4172DEBIAN-CVE-2022-4172
Published 29-11-2022Last modified 14-04-2025

Vulnerability summary

CVE-2022-4172 is a medium (CVSS 6.5) vulnerability in fedoraproject fedora. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 33.5% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 6.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
OPENSUSE-SU-2024:12685-1RHSA-2023:2162USN-6167-1

Timeline

  1. 29-11-2022
    PublishedVulnerability first disclosed.
  2. 14-04-2025
    Last modifiedVulnerability information updated.

Description

An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.39% 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

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

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.

Debian1 product
  • qemu< 1:7.2+dfsg-1
Fedoraproject1 product
Qemu1 product
Ubuntu1 product
  • qemu< 1:4.2-3ubuntu6.24 | < 1:6.2+dfsg-2ubuntu6.6

4 vendors · 4 products

References

10 links