{"id":"DEBIAN-CVE-2022-48972","details":"In the Linux kernel, the following vulnerability has been resolved:  mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()  Kernel fault injection test reports null-ptr-deref as follows:  BUG: kernel NULL pointer dereference, address: 0000000000000008 RIP: 0010:cfg802154_netdev_notifier_call+0x120/0x310 include/linux/list.h:114 Call Trace:  \u003cTASK\u003e  raw_notifier_call_chain+0x6d/0xa0 kernel/notifier.c:87  call_netdevice_notifiers_info+0x6e/0xc0 net/core/dev.c:1944  unregister_netdevice_many_notify+0x60d/0xcb0 net/core/dev.c:1982  unregister_netdevice_queue+0x154/0x1a0 net/core/dev.c:10879  register_netdevice+0x9a8/0xb90 net/core/dev.c:10083  ieee802154_if_add+0x6ed/0x7e0 net/mac802154/iface.c:659  ieee802154_register_hw+0x29c/0x330 net/mac802154/main.c:229  mcr20a_probe+0xaaa/0xcb1 drivers/net/ieee802154/mcr20a.c:1316  ieee802154_if_add() allocates wpan_dev as netdev's private data, but not init the list in struct wpan_dev. cfg802154_netdev_notifier_call() manage the list when device register/unregister, and may lead to null-ptr-deref.  Use INIT_LIST_HEAD() on it to initialize it correctly.","modified":"2026-09-01T20:04:51.627013499Z","published":"2024-10-21T20:15:09.343Z","upstream":["CVE-2022-48972"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-48972"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48972.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48972.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.4-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-48972.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}