CVE-2026-43343
usb: gadget: f_subset: Fix unbalanced refcnt in geth_free
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_subset: Fix unbalanced refcnt in geth_free geth_alloc() increments the reference count, but geth_free() fails to decrement it. This prevents the configuration of attributes via configfs after unlinking the function. Decrement the reference count in geth_free() to ensure proper cleanup.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.11
References 8
git.kernel.org
- stable/c/a932b171554714b1bca313b853c7aa9f2930f9aa
- stable/c/d7d702407b61e96286a15b6e715572f541a8d41c
- stable/c/3f5bfc550a40d7493b1cf09540ed6b412b3b82be
- stable/c/75776a055b656873319c3830fed471daef3ceb23
- stable/c/cc8ec610cd14c093a19371691a7ce1ee5421e829
- stable/c/3d436670b47415da042452618fb5d8e317ab095f
- stable/c/23e4851ce348a329d974e84e828155dda9f52122
- stable/c/caa27923aacd8a5869207842f2ab1657c6c0c7bc