CVE-2022-49389

usb: usbip: fix a refcount leak in stub_probe()

MEDIUM

5.5

CVSS Score

Published: February 26, 2025 at 02:11 AM UTC

Updated: June 17, 2026 at 05:17 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v ≥ 3.16.58v ≥ 3.18.1103.16.58 ≤ v < 3.173.18.110 ≤ v < 3.193.18.110 ≤ v < 4.9.3183.19 ≤ v < 4.14.2833.19 ≤ v < 4.19.2473.19 ≤ v < 4.9.3183.19 ≤ v < 5.10.1223.19 ≤ v < 5.15.473.19 ≤ v < 5.17.153.19 ≤ v < 5.18.43.19 ≤ v < 5.193.19 ≤ v < 5.4.1984.10 ≤ v < 4.14.2834.15 ≤ v < 4.19.2474.20 ≤ v < 5.4.1985.11 ≤ v < 5.15.475.16 ≤ v < 5.17.155.18 ≤ v < 5.18.45.5 ≤ v < 5.10.1223.16.58 3.18.110 3.193ff67445750a84de67faaf52c6e1895cb09f2c5677e7f91231bf63e3c64eb59a2aaf5754eaea2e69d0f35e23dafa0185f979d0c70463caa658062264

Vendor states this is fixed in 11c65408bd0ba1d9cd1307caa38169292de9cdfb (fixed)

Vendor states this is fixed in 247d3809e45a34d9e1a3a2bb7012e31ed8b46031 (fixed)

Vendor states this is fixed in 2f0ae93ec33c8456cdfbf7876b80403a6318ebce (fixed)

Vendor states this is fixed in 51422046be504515eb5a591adf0f424b62f46804 (fixed)

Vendor states this is fixed in 6bafee2f18af5e5ac125e42960bc65496d0e56a0 (fixed)

Vendor states this is fixed in 8afb048800919d0ab10c57983940eba956339f21 (fixed)

Vendor states this is fixed in 9ec4cbf1cc55d126759051acfe328d489c5d6e60 (fixed)

Vendor states this is fixed in bcbb795a9e78180d74c6ab21518da87e803dfdce (fixed)

Vendor states this is fixed in f20d2d3b3364ce6525c050a8b6b4c54c8c19674d (fixed)

Affected range stops below 3.17, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 3.19 (unaffected)

Vendor states this is fixed in 4.14.283 (unaffected)

Vendor states this is fixed in 4.19.247 (unaffected)

Vendor states this is fixed in 4.9.318 (unaffected)

Vendor states this is fixed in 5.10.122 (unaffected)

Vendor states this is fixed in 5.15.47 (unaffected)

Vendor states this is fixed in 5.17.15 (unaffected)

Vendor states this is fixed in 5.18.4 (unaffected)

Vendor states this is fixed in 5.19 (unaffected)

Vendor states this is fixed in 5.4.198 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references