https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 05 Oct 2026 20:15:19 +0000 https://vulnerability.circl.lu/vuln/cve-2026-46268 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>PCI/P2PDMA: Fix p2pmem_alloc_mmap() warning condition</p> <p>Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in p2pmem_alloc_mmap() it uses &#34;VM_WARN_ON_ONCE_PAGE(!page_ref_count(page))&#34; to assert the initial page refcount should not be zero and the following will be reported when CONFIG_DEBUG_VM is enabled:</p> <p>page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x380400000 flags: 0x20000000002000(reserved|node=0|zone=4) raw: 0020000000002000 ff1100015e3ab440 0000000000000000 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: VM_WARN_ON_ONCE_PAGE(!page_ref_count(page)) ------------[ cut here ]------------ WARNING: CPU: 5 PID: 449 at drivers/pci/p2pdma.c:240 p2pmem_alloc_mmap+0x83a/0xa60</p> <p>Fix by using &#34;page_ref_count(page)&#34; as the assertion condition.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>PCI/P2PDMA: Fix p2pmem_alloc_mmap() warning condition</p> <p>Commit b7e282378773 has already changed the initial page refcount of p2pdma page from one to zero, however, in p2pmem_alloc_mmap() it uses &#34;VM_WARN_ON_ONCE_PAGE(!page_ref_count(page))&#34; to assert the initial page refcount should not be zero and the following will be reported when CONFIG_DEBUG_VM is enabled:</p> <p>page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x380400000 flags: 0x20000000002000(reserved|node=0|zone=4) raw: 0020000000002000 ff1100015e3ab440 0000000000000000 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: VM_WARN_ON_ONCE_PAGE(!page_ref_count(page)) ------------[ cut here ]------------ WARNING: CPU: 5 PID: 449 at drivers/pci/p2pdma.c:240 p2pmem_alloc_mmap+0x83a/0xa60</p> <p>Fix by using &#34;page_ref_count(page)&#34; as the assertion condition.</p> https://vulnerability.circl.lu/vuln/cve-2026-46268