CVEvulnerability
CVE-2022-49262
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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
...
Affected configurations
• linux linux kernel (>= 5.12 < 5.15.33)
• linux linux kernel (>= 5.16 < 5.16.19)
• linux linux kernel (>= 5.17 < 5.17.2)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/2d841af23ae8f398c85dd1ff2dc24b5ec8ba4569 Patch
- https://git.kernel.org/stable/c/a1bf728f3388ac3a2c2dffa57e25622e90b9f6f2 Patch
- https://git.kernel.org/stable/c/a462214866eebbca87e13ff6d73092b1c4895624 Patch
- https://git.kernel.org/stable/c/e6374086f249295121384bfaa7cdcc8d461146f0 Patch