Bug 2348105 (CVE-2022-49262)

Summary: CVE-2022-49262 kernel: crypto: octeontx2 - remove CONFIG_DM_CRYPT check
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-02-26 03:17:47 UTC 
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
...
Comment 1 Avinash Hanwate 2025-02-26 13:52:15 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022628-CVE-2022-49262-c11a@gregkh/T
Comment 4 Avinash Hanwate 2025-02-26 18:14:28 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022628-CVE-2022-49262-c11a@gregkh/T