CVE-2022-50876
usb: musb: Fix musb_gadget.c rxstate overflow bug
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix musb_gadget.c rxstate overflow bug The usb function device call musb_gadget_queue() adds the passed request to musb_ep::req_list,If the (request->length > musb_ep->packet_sz) and (is_buffer_mapped(req) return false),the rxstate() will copy all data in fifo to request->buf which may cause request->buf out of bounds. Fix it by add the length check : fifocnt = min_t(unsigned, request->length - request->actual, fifocnt);
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 30, 2025 |
| Last Updated | May 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
03840fad004ce8a56bc8b3bb60a2df10f6f9481e < 826f84ab04a5cafe484ea9c2c85a3930068e5cb7 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < a1008c8b9f357691ce6a8fdb8f157aecb2d79167 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < 7c80f3a918ba9aa26fb699ee887064ec3af0396a 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < d6afcab1b48f4051211c50145b9e91be3b1b42c9 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < acf0006f2b2b2ca672988875fd154429aafb2a9b 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < 3c84c7f592c4ba38f54ddaddd0115acc443025db 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < 523313881f0aa5cbbdb548ce575b6e58b202bd76 03840fad004ce8a56bc8b3bb60a2df10f6f9481e < eea4c860c3b366369eff0489d94ee4f0571d467d
Linux / Linux
4.3
References
git.kernel.org: https://git.kernel.org/stable/c/826f84ab04a5cafe484ea9c2c85a3930068e5cb7 git.kernel.org: https://git.kernel.org/stable/c/a1008c8b9f357691ce6a8fdb8f157aecb2d79167 git.kernel.org: https://git.kernel.org/stable/c/7c80f3a918ba9aa26fb699ee887064ec3af0396a git.kernel.org: https://git.kernel.org/stable/c/d6afcab1b48f4051211c50145b9e91be3b1b42c9 git.kernel.org: https://git.kernel.org/stable/c/acf0006f2b2b2ca672988875fd154429aafb2a9b git.kernel.org: https://git.kernel.org/stable/c/3c84c7f592c4ba38f54ddaddd0115acc443025db git.kernel.org: https://git.kernel.org/stable/c/a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96 git.kernel.org: https://git.kernel.org/stable/c/523313881f0aa5cbbdb548ce575b6e58b202bd76 git.kernel.org: https://git.kernel.org/stable/c/eea4c860c3b366369eff0489d94ee4f0571d467d