Description
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: net2280: Fix double free in probe error path usb_initialize_gadget() installs gadget_release() as the release callback for the embedded gadget device. The struct net2280 instance is therefore released through gadget_release() when the gadget device's last reference is dropped. The probe error path calls net2280_remove(), which tears down the partially initialized device and drops the gadget reference with usb_put_gadget(). Calling kfree(dev) afterwards can free the same object again. Drop the explicit kfree() and let the gadget device release callback handle the final free. This issue was found by a static analysis tool I am developing.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
f770fbec4165b1acfabdeadb01ad6008d2c537b5 to < 71b3391dc81655ff058492f8e9d013b2c6e5747baffectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < 550fa4d071a8c8e53072900869d37ae6abf4999daffectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < c5b9fdb1e8ddf50bc6272927edb118679f170350affectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < 085652fda7f38040d1a2c42d72614f418feb843faffectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < 48f89ead20e48d447ad29fa937b43b9fa981cf28affectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < e6f8be12f0307145b9a6010f044925952b37de8baffectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < db2b72e83a0208ae2b3b270bf91662b1c6849a9baffectedf770fbec4165b1acfabdeadb01ad6008d2c537b5 to < c8547c74988e0b5f4cbb1b895e2a57aae084f070affected
Linux Linux
Default version status: affected
5.10affected0 to < 5.10unaffected5.10.259 to ≤ 5.10.*unaffected5.15.210 to ≤ 5.15.*unaffected6.1.176 to ≤ 6.1.*unaffected6.6.143 to ≤ 6.6.*unaffected6.12.93 to ≤ 6.12.*unaffected6.18.35 to ≤ 6.18.*unaffected7.0.12 to ≤ 7.0.*unaffected7.1 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/71b3391dc81655ff058492f8e9d013b2c6e5747b ↗
- https://git.kernel.org/stable/c/550fa4d071a8c8e53072900869d37ae6abf4999d ↗
- https://git.kernel.org/stable/c/c5b9fdb1e8ddf50bc6272927edb118679f170350 ↗
- https://git.kernel.org/stable/c/085652fda7f38040d1a2c42d72614f418feb843f ↗
- https://git.kernel.org/stable/c/48f89ead20e48d447ad29fa937b43b9fa981cf28 ↗
- https://git.kernel.org/stable/c/e6f8be12f0307145b9a6010f044925952b37de8b ↗
- https://git.kernel.org/stable/c/db2b72e83a0208ae2b3b270bf91662b1c6849a9b ↗
- https://git.kernel.org/stable/c/c8547c74988e0b5f4cbb1b895e2a57aae084f070 ↗