Description
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: <TASK> 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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < ea55b3797878752aa076b118afb727dcf79cac34affected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < 214af18abbe39db05beb305b2d11e87d09a6529caffected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < 6644989642844de830f9b072cd65c553cb55946caffected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < 2a8845b9603c545fddd17862282dc4c4ce0971e3affected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < d731ecc6f2eaec68f4ad1542283bbc7d07bd0112affected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < c602863ad28ec86794cb4ab4edea5324f555f181affected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < d89e4211b51752daf063d638af50abed2fd5f96daffected4d12b8b129f170d0fc3188de1e51a2a1b0f87730 to < fd79a0cbf0b2e34bcc45b13acf962e2032a82203affected
Linux Linux
Default version status: affected
3.1affected0 to < 3.1unaffected4.4.296 to ≤ 4.4.*unaffected4.9.294 to ≤ 4.9.*unaffected4.14.259 to ≤ 4.14.*unaffected4.19.222 to ≤ 4.19.*unaffected5.4.167 to ≤ 5.4.*unaffected5.10.87 to ≤ 5.10.*unaffected5.15.10 to ≤ 5.15.*unaffected5.16 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/ea55b3797878752aa076b118afb727dcf79cac34 ↗
- https://git.kernel.org/stable/c/214af18abbe39db05beb305b2d11e87d09a6529c ↗
- https://git.kernel.org/stable/c/6644989642844de830f9b072cd65c553cb55946c ↗
- https://git.kernel.org/stable/c/2a8845b9603c545fddd17862282dc4c4ce0971e3 ↗
- https://git.kernel.org/stable/c/d731ecc6f2eaec68f4ad1542283bbc7d07bd0112 ↗
- https://git.kernel.org/stable/c/c602863ad28ec86794cb4ab4edea5324f555f181 ↗
- https://git.kernel.org/stable/c/d89e4211b51752daf063d638af50abed2fd5f96d ↗
- https://git.kernel.org/stable/c/fd79a0cbf0b2e34bcc45b13acf962e2032a82203 ↗