CVE-2022-50761: x86/xen: Fix memory leak in xen_init_lock_cpu()

Deferred
AliasesUBUNTU-CVE-2022-50761DEBIAN-CVE-2022-50761
Published 24-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50761 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 22.8% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.30%
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 6 · Related 5
RHSA-2024:9315SUSE-SU-2026:0263-1SUSE-SU-2026:0316-1SUSE-SU-2026:0317-1SUSE-SU-2026:0411-1SUSE-SU-2026:0617-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xen_init_lock_cpu() In xen_init_lock_cpu(), the @name has allocated new string by kasprintf(), if bind_ipi_to_irqhandler() fails, it should be freed, otherwise may lead to a memory leak issue, fix it.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.30% 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: not stated in public data.

Ubuntu121 products
  • linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.4-1
Linux1 product
  • linux≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 9278bdbb566656b3704704f8dd6cbc24a6fcc569 | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 07764d00c869a3390bd4f80412cc8b0e669e6c58 | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 53ff99c76be611acea37d33133c9136969914865 | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 29198f667f4486f9e227e11faf1411fcf4c82a66 | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 70e7f308d7a8e915c7fbc0f1d959968eab8000cd | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 70966d6b0f59f795b08a70adf5e4478348ecbfbb | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < 798fc3cf98ca07e448956f39295c5d686ab4b054 | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < b44457b83a034efef58ffa5f3131d4615f1a9837 | ≥ 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79, < ca84ce153d887b1dc8b118029976cc9faf2a9b40 | 2.6.27

3 vendors · 123 products

References

12 links
Show all 12 references