{"id":"CVE-2026-97956","revision":null,"records":[{"revision":"3dfa1cafef2d46ff8afb14b245c2632a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-97956","aliases":[],"title":"net: net_failover: Fix the deadlock in net_failover_slave_name_change()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: net_failover: Fix the deadlock in net_failover_slave_name_change()\n\nThis is a sibling fix of commit\nb84c5632c7b3 (\"net: net_failover: Fix the deadlock in slave register\").\nThere is netdev_lock_ops() in the upper callers, so using netif_open()\ninstead of dev_open().\n\nCall Trace:\n __schedule+0x2bb/0x650\n schedule+0x27/0xb0\n schedule_preempt_disabled+0x15/0x30\n __mutex_lock.constprop.0+0x550/0xaf0\n __mutex_lock_slowpath+0x13/0x20\n mutex_lock+0x3b/0x50\n dev_open+0x3b/0xe0\n net_failover_slave_name_change+0x22/0x40\n failover_event+0xd4/0x1e0\n notifier_call_chain+0x62/0xf0\n raw_notifier_call_chain+0x16/0x30\n call_netdevice_notifiers_info+0x50/0x80\n netif_change_name+0x200/0x330\n do_setlink.isra.0+0xb12/0xdf0\n ? security_capable+0x9a/0x1e0\n ? ns_capable+0x31/0x60\n rtnl_setlink+0x302/0x670\n ? netlink_recvmsg+0x296/0x340\n ? security_capable+0x9a/0x1e0\n ? __pfx_rtnl_setlink+0x10/0x10\n rtnetlink_rcv_msg+0x384/0x460\n ? __pfx_rtnetlink_rcv_msg+0x10/0x10\n netlink_rcv_skb+0x61/0x120\n rtnetlink_rcv+0x15/0x30\n netlink_unicast+0x28f/0x3c0\n netlink_sendmsg+0x216/0x450\n __sys_sendto+0x222/0x230\n __x64_sys_sendto+0x24/0x40\n x64_sys_call+0x1d5d/0x2390\n do_syscall_64+0x105/0x5a0\n ? do_syscall_64+0x140/0x5a0\n ? exc_page_fault+0x94/0x1e0\n entry_SYSCALL_64_after_hwframe+0x76/0x7e","state":0,"publishedAt":"2026-09-25T10:23:02.56+00:00","modifiedAt":"2026-10-19T09:11:22.384+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/net_failover.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7e4d784f5810bba76c4593791028e13cce4af547\",\n                            \"lessThan\": \"4b20e66d2e52d3628db4dccc1a33f134e73375d5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7e4d784f5810bba76c4593791028e13cce4af547\",\n                            \"lessThan\": \"c49bfa2c5dbd89f7683c26fc08b11e7369ea11e5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"7e4d784f5810bba76c4593791028e13cce4af547\",\n                            \"lessThan\": \"985a663bf00799c1daf1c5789efa6406958780c8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/net_failover.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/4b20e66d2e52d3628db4dccc1a33f134e73375d5","https://git.kernel.org/stable/c/c49bfa2c5dbd89f7683c26fc08b11e7369ea11e5","https://git.kernel.org/stable/c/985a663bf00799c1daf1c5789efa6406958780c8"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-97956","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-97956","identifiers":["CVE-2026-97956"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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