5.5

CVE-2022-49915: mISDN: fix possible memory leak in mISDN_register_device()

Modified
AliasesUBUNTU-CVE-2022-49915DEBIAN-CVE-2022-49915
Published 01-05-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49915 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
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 possible memory leak in mISDN_register_device() Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, add put_device() to give up the reference, so that the name can be freed in kobject_cleanup() when the refcount is 0. Set device class before put_device() to avoid null release() function WARN message in device_release().

CVSS metrics

4 scores · 4 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 0.20% 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

Affected systems

Ubuntu112 products
  • linuxAll versions (No fix recorded) | < 4.15.0-206.217 | < 5.4.0-139.156 | < 5.15.0-60.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1151.164 | < 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)
Linux2 products
  • linux≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < d1d1aede313eb2b9a84afd60ff6cfb7c33631e0e | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 080aabfb29b2ee9cbb8894a1d039651943d3773e | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < a636fc5a7cabd05699b5692ad838c2c7a3abec7b | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 2ff6b669523d3b3d253a044fa9636a67d0694995 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < e77d213843e67b4373285712699b692f9c743f61 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 029d5b7688a2f3a86f2a3be5a6ba9cc968c80e41 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 0d4e91efcaee081e919b3c50e875ecbb84290e41 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < e7d1d4d9ac0dfa40be4c2c8abd0731659869b297 | 2.6.30
  • linux_kernel≥ 2.6.30, < 4.9.333 | ≥ 4.10, < 4.14.299 | ≥ 4.15, < 4.19.265 | ≥ 4.20, < 5.4.224 | ≥ 5.5, < 5.10.154 | ≥ 5.11, < 5.15.78 | ≥ 5.16, < 6.0.8 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3
Debian1 product
  • linux< 6.0.8-1

3 vendors · 115 products

References

12 links
Show all 12 references