UNKNOWN NVD
CVE-2026-74602
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Initialise reader page order in rb_allocate_cpu_buffer() In rb_allocate_cpu_b
In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Initialise reader page order in rb_allocate_cpu_buffer()
In rb_allocate_cpu_buffer(), bpage->order was omitted, leaving it as 0.
This is an issue for a ring-buffer with subbufs bigger than PAGE_SIZE if
when freed: free_buffer_page() relies on this value. Align the value
with the actual allocation size (buffer::subbuf_order).
References
- https://git.kernel.org/stable/c/2e37f2bf111429fbfa4d985b12df3ba496ca70aa
- https://git.kernel.org/stable/c/3b3e0a6ee5bb3ac000f135beef26b2b7ed1a771a
- https://git.kernel.org/stable/c/6d014e44b68ddd43f71288d2a4dbb1a259869149
This unknown severity vulnerability was published on 2026-08-22 via NVD.
vulnfeed aggregates 11022 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.