CVE-2026-90324
ublk: check import_ubuf() return value
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: ublk: check import_ubuf() return value import_ubuf() can fail if the address range (provided by the userspace ublk server) is outside the allowed user address space. Return that 0 bytes were copied if import_ubuf() fails rather than passing an uninitialized struct iov_iter to ublk_copy_user_pages().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 17, 2026 |
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Affected Versions
Linux / Linux
981f95a571e3ca20a496c0b77dbf6b06039c6648 < 0121c84adb6a4cd6f7560b5895bd88f9899bbc1f 981f95a571e3ca20a496c0b77dbf6b06039c6648 < 5ac6019cb78e98c9608fda72726b36ddf8474dd7 981f95a571e3ca20a496c0b77dbf6b06039c6648 < 3831568792af75b6523fa93bb91560e29189cf55
Linux / Linux
6.5