CVE-2026-90045High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: USB: gadget: ffs: fix mm lifetime handling io_data stores a pointer to the submitting task's mm_struct, but does not currently hold a reference to it while async reque…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 19.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
— → 7.8
none → high
0.1%
0.1% → 0.2%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
USB: gadget: ffs: fix mm lifetime handling
io_data stores a pointer to the submitting task's mm_struct, but does not currently hold a reference to it while async requests are pending.
This can result in a use-after-free if the task exits before completion handling finishes.
Take a reference with mmgrab() when queuing the read request and release it with mmdrop() on request completion.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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