cbcvebase.
CVE-2021-47612
published 2024-06-19

CVE-2021-47612: In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfc_genl_dump_devices_done When kmalloc in nfc_genl_dump_devices()…

PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.22%
13.0th percentile
In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfc_genl_dump_devices_done When kmalloc in nfc_genl_dump_devices() fails then nfc_genl_dump_devices_done() segfaults as below KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014 Workqueue: events netlink_sock_destruct_work RIP: 0010:klist_iter_exit+0x26/0x80 Call Trace: class_dev_iter_exit+0x15/0x20 nfc_genl_dump_devices_done+0x3b/0x50 genl_lock_done+0x84/0xd0 netlink_sock_destruct+0x8f/0x270 __sk_destruct+0x64/0x3b0 sk_destruct+0xa8/0xd0 __sk_free+0x2e8/0x3d0 sk_free+0x51/0x90 netlink_sock_destruct_work+0x1c/0x20 process_one_work+0x411/0x710 worker_thread+0x6fd/0xa80

Affected

21 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.15.15-1 (bookworm)linux 5.15.15-1 (bookworm)
linuxlinux——
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < ea55b3797878752aa076b118afb727dcf79cac34ea55b3797878752aa076b118afb727dcf79cac34
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < 214af18abbe39db05beb305b2d11e87d09a6529c214af18abbe39db05beb305b2d11e87d09a6529c
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < 6644989642844de830f9b072cd65c553cb55946c6644989642844de830f9b072cd65c553cb55946c
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < 2a8845b9603c545fddd17862282dc4c4ce0971e32a8845b9603c545fddd17862282dc4c4ce0971e3
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < d731ecc6f2eaec68f4ad1542283bbc7d07bd0112d731ecc6f2eaec68f4ad1542283bbc7d07bd0112
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < c602863ad28ec86794cb4ab4edea5324f555f181c602863ad28ec86794cb4ab4edea5324f555f181
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < d89e4211b51752daf063d638af50abed2fd5f96dd89e4211b51752daf063d638af50abed2fd5f96d
linuxlinux>= 4d12b8b129f170d0fc3188de1e51a2a1b0f87730 < fd79a0cbf0b2e34bcc45b13acf962e2032a82203fd79a0cbf0b2e34bcc45b13acf962e2032a82203
linuxlinux_kernel< 4.4.2964.4.296
linuxlinux_kernel>= 0 < 5.10.92-15.10.92-1
linuxlinux_kernel>= 0 < 5.15.15-15.15.15-1
linuxlinux_kernel>= 0 < 5.15.15-15.15.15-1
linuxlinux_kernel>= 0 < 5.15.15-15.15.15-1
linuxlinux_kernel>= 4.10 < 4.14.2594.14.259
linuxlinux_kernel>= 4.15 < 4.19.2224.19.222
linuxlinux_kernel>= 4.20 < 5.4.1675.4.167
linuxlinux_kernel>= 4.5 < 4.9.2944.9.294
linuxlinux_kernel>= 5.11 < 5.15.105.15.10
linuxlinux_kernel>= 5.5 < 5.10.875.10.87

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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