https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 06 Oct 2026 01:16:48 +0000 https://cve.radiocsirt.org/vuln/cve-2022-49030 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>libbpf: Handle size overflow for ringbuf mmap</p> <p>The maximum size of ringbuf is 2GB on x86-64 host, so 2 * max_entries will overflow u32 when mapping producer page and data pages. Only casting max_entries to size_t is not enough, because for 32-bits application on 64-bits kernel the size of read-only mmap region also could overflow size_t.</p> <p>So fixing it by casting the size of read-only mmap region into a __u64 and checking whether or not there will be overflow during mmap.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>libbpf: Handle size overflow for ringbuf mmap</p> <p>The maximum size of ringbuf is 2GB on x86-64 host, so 2 * max_entries will overflow u32 when mapping producer page and data pages. Only casting max_entries to size_t is not enough, because for 32-bits application on 64-bits kernel the size of read-only mmap region also could overflow size_t.</p> <p>So fixing it by casting the size of read-only mmap region into a __u64 and checking whether or not there will be overflow during mmap.</p> https://cve.radiocsirt.org/vuln/cve-2022-49030