7.5

CVE-2022-42330: xen

Modified
AliasesALPINE-CVE-2022-42330UBUNTU-CVE-2022-42330DEBIAN-CVE-2022-42330
Published 26-01-2023Last modified 03-08-2024

Vulnerability summary

CVE-2022-42330 is a high (CVSS 7.5) vulnerability in xen. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.7% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.36%
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

Timeline

  1. 26-01-2023
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" (e.g. for performing a kexec) the libxl based Xen toolstack will normally perform a XS_RELEASE Xenstore operation. Due to a bug in xenstored this can result in a crash of xenstored. Any other use of XS_RELEASE will have the same impact.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.36%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.36% 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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • xen< 4.17.0-r2
Debian1 product
  • xen< 4.17.0+24-g2f8851c37f-2
Opensuse1 product
  • xen&distro=openSUSE Tumbleweed< 4.17.0_04-1.1
Ubuntu1 product
  • xenAll versions (No fix recorded)
Xen1 product

5 vendors · 5 products

References

9 links