{"id":12350,"date":"2026-09-04T18:54:17","date_gmt":"2026-09-04T10:54:17","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80706"},"modified":"2026-09-04T18:54:17","modified_gmt":"2026-09-04T10:54:17","slug":"cve-2026-80706","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80706","title":{"rendered":"CVE-2026-80706 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncan: softing: fw_pars"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>can: softing: fw_parse(): validate firmware record spans<\/p>\n<p>fw_parse() reads a fixed record header, a firmware-provided payload,<br \/>\nand a trailing checksum without knowing the end of the firmware blob. A<br \/>\ntruncated record can therefore make those reads exceed the blob.<\/p>\n<p>The same record also supplies addresses and lengths for writes into<br \/>\nDPRAM. The generic loader uses wrap-prone mixed signed arithmetic for its<br \/>\nbounds check, while the application loader does not bound the staging<br \/>\ncopy at all.<\/p>\n<p>Pass the firmware end to the parser and validate the full source record.<br \/>\nUse a signed wide offset for generic DPRAM records and validate the<br \/>\napplication staging span against the mapped DPRAM before copying.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>can: softing: fw_parse(): validate firmware record spans<\/p>\n<p>fw_parse() reads a fixed record header, a firmware-provided payload,<br \/>\nand <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12350","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}