CVE-2026-90324 | BDVDB-2026-376102 Detail
LinuxLinux
Description#
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().
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
No weakness recorded in the source data.
References#
- https://git.kernel.org/stable/c/7f97c762b5f6e0005c5c7d040ded73bf7fb3587e
- https://git.kernel.org/stable/c/27ff6e8703f7a7160c728501da2f8ef8e7bb6b2f
- https://git.kernel.org/stable/c/0121c84adb6a4cd6f7560b5895bd88f9899bbc1f
- https://git.kernel.org/stable/c/5ac6019cb78e98c9608fda72726b36ddf8474dd7
- https://git.kernel.org/stable/c/3831568792af75b6523fa93bb91560e29189cf55
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.