{"id":"CVE-2025-38271","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-38271","generatedAt":"2026-10-28T01:43:52.347Z","title":"In the Linux kernel, the following vulnerability has been resolved: net: prevent a NULL deref in rtnl_create_link() At the time rtnl_create_link() is running, dev->netdev_ops is NULL, we must not use netdev_lock_ops() or risk a NULL deref if…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: prevent a NULL deref in rtnl_create_link()\n\nAt the time rtnl_create_link() is running, dev->netdev_ops is NULL,\nwe must not use netdev_lock_ops() or risk a NULL deref if\nCONFIG_NET_SHAPER is defined.\n\nUse netif_set_group() instead of dev_set_group().\n\n RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]\n RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]\n RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82\nCall Trace:\n <TASK>\n  rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674\n  rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813\n  __rtnl_newlink net/core/rtnetlink.c:3940 [inline]\n  rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055\n  rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944\n  netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534\n  netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n  netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339\n  netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883\n  sock_sendmsg_nosec net/socket.c:712 [inline]","published":"2025-07-10T08:15:25.000Z","lastModified":"2026-06-17T09:16:31.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["linux/linux kernel"],"epss":{"score":0.00161,"percentile":0.05232,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/8a29ae8428a5c26f0b4471c2057d9e9415c53109","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/feafc73f3e6ae73371777a037d41d2e31c929636","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-38271","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}