UBUNTU-CVE-2026-46284
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix early boot crash on parameters without '=' separator If hugepages, hugepagesz, or default_hugepagesz are specified on the kernel command line without the '=' separator, early parameter parsing passes NULL to hugetlb_add_param(), which dereferences it in strlen() and can crash the system during early boot. Reject NULL values in hugetlb_add_param() and return -EINVAL instead.
02 / AFFECTED SOFTWARE
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix early boot crash on parameters without '=' separator If hugepages, hugepagesz, or default_hugepagesz are specified on the kernel command line without the '=' separator, early parameter parsing passes NULL to hugetlb_add_param(), which dereferences it in strlen() and can crash the system during early boot. Reject NULL values in hugetlb_add_param() and return -EINVAL instead.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/c45b354911d01565156e38d7f6bc07edb51fc34c
- https://git.kernel.org/stable/c/2774bcf714739cc6bb86f8812167bb9fbda70f6a
- https://git.kernel.org/stable/c/357c6d084b6137ae640209c5bfd01180f985c015
- https://git.kernel.org/stable/c/c45b354911d01565156e38d7f6bc07edb51fc34c
- https://ubuntu.com/security/CVE-2026-46284
- https://ubuntu.com/security/notices/USN-8488-1
- https://ubuntu.com/security/notices/USN-8488-2
- https://ubuntu.com/security/notices/USN-8489-1
- https://ubuntu.com/security/notices/USN-8507-1
- https://ubuntu.com/security/notices/USN-8569-1
- https://ubuntu.com/security/notices/USN-8603-1
- https://www.cve.org/CVERecord?id=CVE-2026-46284