5.5

CVE-2022-49818: mISDN: fix misuse of put_device() in mISDN_register_device()

Analyzed
AliasesUBUNTU-CVE-2022-49818DEBIAN-CVE-2022-49818
Published 01-05-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49818 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.20%
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 7
SUSE-SU-2025:01918-1SUSE-SU-2025:01966-1SUSE-SU-2025:01982-1SUSE-SU-2025:01983-1SUSE-SU-2025:01995-1SUSE-SU-2025:02173-1

Timeline

  1. 01-05-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mISDN: fix misuse of put_device() in mISDN_register_device() We should not release reference by put_device() before calling device_initialize().

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.19% on 22-09-2026

22-09-202622-10-2026

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

Ubuntu109 products
  • linux< 5.4.0-144.161 | < 5.15.0-67.74
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1097.105 | < 5.15.0-1031.35
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ d1d1aede313eb2b9a84afd60ff6cfb7c33631e0e, < 44658d65f6b3118f595a1229d7eed74845a5e2ac | ≥ 080aabfb29b2ee9cbb8894a1d039651943d3773e, < 81db4f182744acd004f17d7cc52dde9ea53467e6 | ≥ a636fc5a7cabd05699b5692ad838c2c7a3abec7b, < d40b35a7922f4df3767ad6fb8ef3dc86e31d7ba3 | ≥ 2ff6b669523d3b3d253a044fa9636a67d0694995, < 83672c1b83d107b0d4fe0accf1bf64d8988398e6 | ≥ e77d213843e67b4373285712699b692f9c743f61, < 709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c | ≥ 029d5b7688a2f3a86f2a3be5a6ba9cc968c80e41, < 596230471da3415e92ae6b9d2a4e26f4a81cac5a | ≥ 0d4e91efcaee081e919b3c50e875ecbb84290e41, < 87b336aa158201dc30a318431e63e8c5b26c4156 | ≥ e7d1d4d9ac0dfa40be4c2c8abd0731659869b297, < 2d25107e111a85c56f601a5470f1780ec054e6ac | ≥ 4.9.333, < 4.9.334 | ≥ 4.14.299, < 4.14.300 | ≥ 4.19.265, < 4.19.267 | ≥ 5.4.224, < 5.4.225 | ≥ 5.10.154, < 5.10.156 | ≥ 5.15.78, < 5.15.80 | ≥ 6.0.8, < 6.0.10
  • linux_kernelEOL≥ 4.19.265, < 4.19.267 | ≥ 5.10.154, < 5.10.156 | ≥ 5.15.78, < 5.15.80 | ≥ 6.0.8, < 6.0.10 | 4.9.333 | 4.14.299 | 5.4.224 | 6.1:rc4 | 6.1:rc5
Debian1 product
  • linux< 6.0.10-1

3 vendors · 112 products

References

12 links
Show all 12 references