5.5

CVE-2022-49389: usb: usbip: fix a refcount leak in stub_probe()

Modified
AliasesUBUNTU-CVE-2022-49389DEBIAN-CVE-2022-49389
Published 26-02-2025Last modified 23-05-2026

Vulnerability summary

CVE-2022-49389 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.7% 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 (CVE.org)
EPSS score
0.29%
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 8 · Related 7
RHSA-2022:8267SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1194-1SUSE-SU-2025:1241-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: usb: usbip: fix a refcount leak in stub_probe() usb_get_dev() is called in stub_device_alloc(). When stub_probe() fails after that, usb_put_dev() needs to be called to release the reference. Fix this by moving usb_put_dev() to sdev_free error path handling. Find this by code review.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.29% 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.

Ubuntu111 products
  • linuxAll versions (No fix recorded) | < 4.15.0-192.203 | < 5.4.0-126.142 | < 5.15.0-48.54
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1140.151 | < 5.4.0-1085.92 | < 5.15.0-1020.24
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 6bafee2f18af5e5ac125e42960bc65496d0e56a0 | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < f20d2d3b3364ce6525c050a8b6b4c54c8c19674d | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 247d3809e45a34d9e1a3a2bb7012e31ed8b46031 | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 2f0ae93ec33c8456cdfbf7876b80403a6318ebce | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < bcbb795a9e78180d74c6ab21518da87e803dfdce | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 51422046be504515eb5a591adf0f424b62f46804 | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 8afb048800919d0ab10c57983940eba956339f21 | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 11c65408bd0ba1d9cd1307caa38169292de9cdfb | ≥ 3ff67445750a84de67faaf52c6e1895cb09f2c56, < 9ec4cbf1cc55d126759051acfe328d489c5d6e60 | 77e7f91231bf63e3c64eb59a2aaf5754eaea2e69 | d0f35e23dafa0185f979d0c70463caa658062264 | ≥ 3.16.58, < 3.17 | ≥ 3.18.110, < 3.19 | 3.19
  • linux_kernel≥ 3.16.58, < 3.17 | ≥ 3.18.110, < 4.9.318 | ≥ 4.10, < 4.14.283 | ≥ 4.15, < 4.19.247 | ≥ 4.20, < 5.4.198 | ≥ 5.5, < 5.10.122 | ≥ 5.11, < 5.15.47 | ≥ 5.16, < 5.17.15 | ≥ 5.18, < 5.18.4
Debian1 product
  • linux< 5.18.5-1

3 vendors · 114 products

References

13 links
Show all 13 references