CVE-2022-50767: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2022-50767DEBIAN-CVE-2022-50767
Published 24-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50767 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.4% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6

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: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free(). This fix prevents multiple UAFs.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu121 products
  • linuxAll versions (No fix recorded) | < 4.15.0-204.215 | < 5.4.0-139.156 | < 5.15.0-60.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1150.163 | < 5.4.0-1096.104 | < 5.15.0-1030.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.0.7-1
Linux1 product
  • linux≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 3f40852d671072836fb7ae331a1f28a24223c4e8 | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 70faf9d9b6cc74418716bbf76fe75bd2da10ad4a | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 5385af2f89bc352fb70753ab41b2bb036190141f | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < d9ddfeb01fb95ffbbc7031d46a5ee2a5e45cbb86 | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < cc6a7249842fceda7574ceb63275a2d5e99d2862 | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < 8d924b262f3178a9b17c17d4306a9f426c508bd9 | ≥ 3c8a63e22a0802fd56380f6ab305b419f18eb6f5, < cc67482c9e5f2c80d62f623bcc347c29f9f648e1 | 3.2

3 vendors · 123 products

References

11 links
Show all 11 references