https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Fri, 09 Oct 2026 15:29:19 +0000 https://db.gcve.eu/vuln/cve-2026-98376 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Use array_map_meta_equal for percpu array inner map replacement</p> <p>percpu_array_map_ops.map_meta_equal points to the generic bpf_map_meta_equal(), which does not compare max_entries. When a percpu array serves as an inner map, replacing it with one that has fewer max_entries bypasses the check. Since percpu_array_map_gen_lookup() inlines the original template&#39;s index_mask as a JIT immediate, a lookup on the replacement map can access pptrs[] out of bounds.</p> <p>Point percpu_array_map_ops.map_meta_equal to array_map_meta_equal(), which already enforces the max_entries equality check.</p> <p>Add a selftest to verify that replacing a percpu array inner map with a differently-sized one is rejected.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Use array_map_meta_equal for percpu array inner map replacement</p> <p>percpu_array_map_ops.map_meta_equal points to the generic bpf_map_meta_equal(), which does not compare max_entries. When a percpu array serves as an inner map, replacing it with one that has fewer max_entries bypasses the check. Since percpu_array_map_gen_lookup() inlines the original template&#39;s index_mask as a JIT immediate, a lookup on the replacement map can access pptrs[] out of bounds.</p> <p>Point percpu_array_map_ops.map_meta_equal to array_map_meta_equal(), which already enforces the max_entries equality check.</p> <p>Add a selftest to verify that replacing a percpu array inner map with a differently-sized one is rejected.</p> https://db.gcve.eu/vuln/cve-2026-98376