{"id":41267,"date":"2026-10-19T00:32:55","date_gmt":"2026-10-18T16:32:55","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98795"},"modified":"2026-10-19T00:32:55","modified_gmt":"2026-10-18T16:32:55","slug":"cve-2026-98795","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98795","title":{"rendered":"CVE-2026-98795 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: skip ptp"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: sparx5: skip ptp deinit if init was skipped<\/p>\n<p>sparx5_ptp_init() returns early on the base lan969x variants<br \/>\nbecause they do not have the SPX5_FEATURE_PTP flag. It also returns early<br \/>\nwhen no &#8220;ptp&#8221; interrupt is described. Unbinding the driver then causes a<br \/>\nNULL pointer dereference when cleaning up uninitialized tx_skbs queues:<\/p>\n<p>    Unable to handle kernel NULL pointer dereference at virtual address<br \/>\n    0000000000000008<br \/>\n    Call trace:<br \/>\n    skb_queue_purge_reason+0x68\/0x120 (P)<br \/>\n    sparx5_ptp_deinit+0x64\/0xc0<br \/>\n    mchp_sparx5_remove+0x38\/0x70<br \/>\n    platform_remove+0x20\/0x30<br \/>\n    device_remove+0x4c\/0x80<\/p>\n<p>Before per-port tx_skbs were added, a NULL dereference would have happened<br \/>\nwhen calling ptp_clock_unregister() on the never-registered PTP clocks.<\/p>\n<p>Fix by returning early in sparx5_ptp_deinit() if PTP is not used.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>net: sparx5: skip ptp deinit if init was skipped<\/p>\n<p>sparx5_ptp_init() returns early on the base lan969x variants<br \/>\nbecause they do not <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41267","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41267","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=41267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}