Vulnerability 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().
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/0121c84adb6a4cd6f7560b5895bd88f9899bbc1f
- https://git.kernel.org/stable/c/3831568792af75b6523fa93bb91560e29189cf55
- https://git.kernel.org/stable/c/5ac6019cb78e98c9608fda72726b36ddf8474dd7
FAQ
What is CVE-2026-90324?
CVE-2026-90324 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 outs...
How severe is CVE-2026-90324?
CVE-2026-90324 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90324?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.