CVE-2022-48972

Katalog CVE

CVSS 5.5 · Medium EPSS 0,28%

Kerentanan NULL Pointer Dereference pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

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: <TASK> 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.

Rincian

Terbit di NVD

21 Oktober 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-476: NULL Pointer Dereference

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 19,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/1831d4540406708e48239cf38fd9c3b7ea98e08f patch
• https://git.kernel.org/stable/c/42c319635c0cf7eb36eccac6cda76532f47b61a3 patch
• https://git.kernel.org/stable/c/623918f40fa68e3bb21312a3fafb90f491bf5358 patch
• https://git.kernel.org/stable/c/7410f4d1221bb182510b7778ab6eefa8b9b7102d patch
• https://git.kernel.org/stable/c/9980a3ea20de40c83817877106c909cb032692d2 patch
• https://git.kernel.org/stable/c/a110287ef4a423980309490df632e1c1e73b3dc9 patch
• https://git.kernel.org/stable/c/b3d72d3135d2ef68296c1ee174436efd65386f04 patch
• https://git.kernel.org/stable/c/f00c84fb1635c27ba24ec5df65d5bd7d7dc00008 patch