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Review reviewHigh

CVE-2024-46746

Linux Linux, debian linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: HID: amd_sfh: free driver_data after destroying hid device HID driver callbacks aren't called anymore once hid_destroy_device() has been called. Hence, hid driver_data should be freed only after the hid_destroy_device() function returned as driver_data is used in several callbacks. I observed a crash with kernel 6.10.0 on my T14s Gen 3, after enabling KASAN to debug memory allocation, I got this output: [ 13.050438] ================================================================== [ 13.054060] BUG: KASAN: slab-use-after-fr...

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.09.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: HID: amd_sfh: free driver_data after destroying hid device HID driver callbacks aren't called anymore once hid_destroy_device() has been called. Hence, hid driver_data should be freed only after the hid_destroy_device() function returned as driver_data is used in several callbacks. I observed a crash with kernel 6.10.0 on my T14s Gen 3, after enabling KASAN to debug memory allocation, I got this output: [ 13.050438] ================================================================== [ 13.054060] BUG: KASAN: slab-use-after-fr...

Affected product and versions

Product
Linux Linux, debian linux, linux kernel
Affected versions
>= 4f567b9f8141a86c7d878fadf136e5d1408e3e61 < 86b4f5cf91ca03c08e3822ac89476a677a780bcc, >= 4f567b9f8141a86c7d878fadf136e5d1408e3e61 < 775125c7fe38533aaa4b20769f5b5e62cc1170a0, >= 4f567b9f8141a86c7d878fadf136e5d1408e3e61 < 60dc4ee0428d70bcbb41436b6729d29f1cbdfb89, >= 4f567b9f8141a86c7d878fadf136e5d1408e3e61 < adb3e3c1ddb5a23b8b7122ef1913f528d728937c, >= 4f567b9f8141a86c7d878fadf136e5d1408e3e61 < 97155021ae17b86985121b33cf8098bcde00d497, >= 5.11, 11.0, >= 5.11 < 5.15.167, >= 5.16 < 6.1.110, >= 6.2 < 6.6.51, >= 6.7 < 6.10.10, 6.11
Fixed versions
5.15.167, 6.1.110, 6.6.51, 6.10.10

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, debian linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416
CVE-2024-46746 — Linux Linux, debian linux, linux kernel | SECUFOCUS NOW