CVE-2022-50809: xhci: dbc: Fix memory leak in xhci_alloc_dbc()

Deferred
AliasesUBUNTU-CVE-2022-50809DEBIAN-CVE-2022-50809
Published 30-12-2025Last modified 23-05-2026

Vulnerability summary

CVE-2022-50809 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.7% 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
0.24%
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 6 · Related 4
RHSA-2023:6583RHSA-2023:7077SUSE-SU-2026:0263-1SUSE-SU-2026:0317-1SUSE-SU-2026:0411-1SUSE-SU-2026:0617-1

Timeline

  1. 30-12-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhci_alloc_dbc() If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

16%

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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu103 products
  • linux< 5.15.0-60.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1030.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.0.3-1
Linux1 product
  • linux≥ d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802, < 103b459590e1eb4d80b02761eb36c7cae1d9b58e | ≥ 534675942e901959b5d8dc11ea526c4e48817d8e, < 116d6a6964986ea7eb516daa36128d270f1f248d | ≥ 534675942e901959b5d8dc11ea526c4e48817d8e, < 69e67c804d09a6b1bcda1f4f242f151f813eeb4a | ≥ 534675942e901959b5d8dc11ea526c4e48817d8e, < d591b32e519603524a35b172156db71df9116902 | ≥ 5.15.58, < 5.15.75 | 5.18

3 vendors · 105 products

References

8 links