vulnerability

Red Hat: CVE-2022-49262: kernel: crypto: octeontx2 - remove CONFIG_DM_CRYPT check

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Feb 26, 2025
Added
Jul 9, 2025
Modified
Jul 10, 2025

Description

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

crypto: octeontx2 - remove CONFIG_DM_CRYPT check

No issues were found while using the driver with dm-crypt enabled. So
CONFIG_DM_CRYPT check in the driver can be removed.

This also fixes the NULL pointer dereference in driver release if
CONFIG_DM_CRYPT is enabled.

...
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
...
Call trace:
crypto_unregister_alg+0x68/0xfc
crypto_unregister_skciphers+0x44/0x60
otx2_cpt_crypto_exit+0x100/0x1a0
otx2_cptvf_remove+0xf8/0x200
pci_device_remove+0x3c/0xd4
__device_release_driver+0x188/0x234
device_release_driver+0x2c/0x4c
...

Solution

no-fix-redhat-rpm-package
Title
NEW

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