CVE-2024-56535

wifi: rtw89: coex: check NULL return of kmalloc in btc_fw_set_monreg()

MEDIUM
5.5
CVSS Score
Published: December 27, 2024 at 02:11 PM UTC
Updated: June 17, 2026 at 08:12 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: coex: check NULL return of kmalloc in btc_fw_set_monreg() kmalloc may fail, return value might be NULL and will cause NULL pointer dereference. Add check NULL return of kmalloc in btc_fw_set_monreg().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.10 ≤ v < 6.11.116.10 ≤ v < 6.12.26.10 ≤ v < 6.136.12 ≤ v < 6.12.26.10b952cb0a6e2d2e6942de3f8c6a1bd985815b9550
Vendor states this is fixed in 051577414271961f3f4c3bff87b427924b486219 (fixed)
Vendor states this is fixed in 64db1a42d98307001a48cec1b3e68ce9f905e73d (fixed)
Vendor states this is fixed in 81df5ed446b448bdc327b7c7f0b50121fc1f4aa2 (fixed)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.11.11 (unaffected)
Vendor states this is fixed in 6.12.2 (unaffected)
Vendor states this is fixed in 6.13 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/051577414271961f3f4c3bff87b427924b486219
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/64db1a42d98307001a48cec1b3e68ce9f905e73d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/81df5ed446b448bdc327b7c7f0b50121fc1f4aa2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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