5.5

CVE-2022-50019: tty: serial: Fix refcount leak bug in ucc_uart.c

Analyzed
AliasesUBUNTU-CVE-2022-50019DEBIAN-CVE-2022-50019
Published 18-06-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50019 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 9.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · +0.01 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 7 · Related 6
RHSA-2024:9315SUSE-SU-2025:02264-1SUSE-SU-2025:02308-1SUSE-SU-2025:02320-1SUSE-SU-2025:02321-1SUSE-SU-2025:02322-1

Timeline

  1. 18-06-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: tty: serial: Fix refcount leak bug in ucc_uart.c In soc_info(), of_find_node_by_type() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.19% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu112 products
  • linuxAll versions (No fix recorded) | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1143.155 | < 5.4.0-1089.97 | < 5.15.0-1023.27
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < 8245e7d1d7f75a9255ad1e8146752e5051d528b8 | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < ec56f886f3bf0f15f7a3844d4c025e165b8e8de7 | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < 59bc4c19d53bdac61ec952c01c6e864f5f0f8367 | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < ca3fc1c38e4253bc019881301a28ea60b8b0bca3 | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < 81939c4fbc2d5c754d0f1c1f05149d4b70d751ed | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < 17c32546166d8a7d2579c4b57c8b16241f94a66b | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf | ≥ d7584ed2b994a572326650b0c4d2c25961e6f49d, < d24d7bb2cd947676f9b71fb944d045e09b8b282f | 2.6.25
  • linux_kernel≥ 2.6.25, < 4.9.326 | ≥ 4.10, < 4.14.291 | ≥ 4.15, < 4.19.256 | ≥ 4.20, < 5.4.211 | ≥ 5.5, < 5.10.138 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4
Debian1 product
  • linux< 6.0.2-1

3 vendors · 115 products

References

11 links
Show all 11 references