Sleeping Function in gsmld_write Leads to Kernel Block in Linux Kernel 6.2

Sleeping Function in gsmld_write Leads to Kernel Block in Linux Kernel 6.2

CVE-2023-31082 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

An issue was discovered in drivers/tty/n_gsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmld_write, which will block the kernel. Note: This has been disputed by 3rd parties as not a valid vulnerability.

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