CVE-2022-50331

In the Linux kernel, the following vulnerability has been resolved: wwan_hwsim: fix possible memory leak in wwan_hwsim_dev_new() Inject fault while probing module, if device_register() fails, but the refcount of kobject is not decreased to 0, the name allocated in dev_set_name() is leaked. Fix this by calling put_device(), so that name can be freed in callback function kobject_cleanup(). unreferenced object 0xffff88810152ad20 (size 8): comm "modprobe", pid 252, jiffies 4294849206 (age 22.713s) hex dump (first 8 bytes): 68 77 73 69 6d 30 00 ff hwsim0.. backtrace: [<000000009c3504ed>] __kmalloc_node_track_caller+0x44/0x1b0 [<00000000c0228a5e>] kvasprintf+0xb5/0x140 [<00000000cff8c21f>] kvasprintf_const+0x55/0x180 [<0000000055a1e073>] kobject_set_name_vargs+0x56/0x150 [<000000000a80b139>] dev_set_name+0xab/0xe0

The following products are affected by CVE-2022-50331 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2022-50331.

URL	Resource
https://git.kernel.org/stable/c/258ad2fe5ede773625adfda88b173f4123e59f45
https://git.kernel.org/stable/c/50c31fa952309536c6e4461ff815ddccc8dff9d5
https://git.kernel.org/stable/c/d87973314aba6de80a49f4271dd9be4ddc08e729
https://lore.kernel.org/linux-cve-announce/2025091555-CVE-2022-50331-53e1@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2022-50331
https://www.cve.org/CVERecord?id=CVE-2022-50331