CVE-2022-49524

Feb. 27, 2025, 7:15 p.m.

7.8
High

Description

In the Linux kernel, the following vulnerability has been resolved: media: pci: cx23885: Fix the error handling in cx23885_initdev() When the driver fails to call the dma_set_mask(), the driver will get the following splat: [ 55.853884] BUG: KASAN: use-after-free in __process_removed_driver+0x3c/0x240 [ 55.854486] Read of size 8 at addr ffff88810de60408 by task modprobe/590 [ 55.856822] Call Trace: [ 55.860327] __process_removed_driver+0x3c/0x240 [ 55.861347] bus_for_each_dev+0x102/0x160 [ 55.861681] i2c_del_driver+0x2f/0x50 This is because the driver has initialized the i2c related resources in cx23885_dev_setup() but not released them in error handling, fix this bug by modifying the error path that jumps after failing to call the dma_set_mask().

Product(s) Impacted

Product Versions
Linux kernel
  • []

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

References

https://git.kernel.org/stable/c/453514a874c78df1e7804e6e3aaa60c8d8deb6a8
https://git.kernel.org/stable/c/6041d1a0365baa729b6adfb6ed5386d9388018db
https://git.kernel.org/stable/c/7b9978e1c94e569d65a0e7e719abb9340f5db4a0
https://git.kernel.org/stable/c/86bd6a579c6c60547706cabf299cd2c9feab3332
https://git.kernel.org/stable/c/98106f100f50c487469903b9cf6d966785fc9cc3
https://git.kernel.org/stable/c/ca17e7a532d1a55466cc007b3f4d319541a27493
https://git.kernel.org/stable/c/e8123311cf06d7dae71e8c5fe78e0510d20cd30b
https://git.kernel.org/stable/c/fa636e9ee4442215cd9a2e079cd5a8e1fe0cb8ba

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
CWE-416
2025-02-26
CVE-2022-49524

CVSS Score

7.8 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: Feb. 26, 2025, 7:01 a.m.
Last Modified: Feb. 27, 2025, 7:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.