CVE-2022-50374 Affecting dlm-kmp-default package, versions <5.14.21-150400.24.179.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.02% (6th percentile)

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  • Snyk IDSNYK-SLES154-DLMKMPDEFAULT-13622797
  • published18 Oct 2025
  • disclosed17 Oct 2025

Introduced: 17 Oct 2025

NewCVE-2022-50374  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 dlm-kmp-default to version 5.14.21-150400.24.179.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dlm-kmp-default package and not the dlm-kmp-default package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure

syzbot is reporting NULL pointer dereference at hci_uart_tty_close() [1], for rcu_sync_enter() is called without rcu_sync_init() due to hci_uart_tty_open() ignoring percpu_init_rwsem() failure.

While we are at it, fix that hci_uart_register_device() ignores percpu_init_rwsem() failure and hci_uart_unregister_device() does not call percpu_free_rwsem().

CVSS Base Scores

version 3.1