https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 09:02:32 +0000 https://db.gcve.eu/vuln/cve-2026-53032 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Fix NULL deref in map_kptr_match_type for scalar regs</p> <p>Commit ab6c637ad027 (&#34;bpf: Fix a bpf_kptr_xchg() issue with local kptr&#34;) refactored map_kptr_match_type() to branch on btf_is_kernel() before checking base_type(). A scalar register stored into a kptr slot has no btf, so the btf_is_kernel(reg-&gt;btf) call dereferences NULL.</p> <p>Move the base_type() != PTR_TO_BTF_ID guard before any reg-&gt;btf access.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>bpf: Fix NULL deref in map_kptr_match_type for scalar regs</p> <p>Commit ab6c637ad027 (&#34;bpf: Fix a bpf_kptr_xchg() issue with local kptr&#34;) refactored map_kptr_match_type() to branch on btf_is_kernel() before checking base_type(). A scalar register stored into a kptr slot has no btf, so the btf_is_kernel(reg-&gt;btf) call dereferences NULL.</p> <p>Move the base_type() != PTR_TO_BTF_ID guard before any reg-&gt;btf access.</p> https://db.gcve.eu/vuln/cve-2026-53032