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CVE-2024-38572

wifi: ath12k: fix out-of-bound access of qmi_invoke_handler()

HIGH
7.1
CVSS Score
Published: June 19, 2024 at 01:35 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix out-of-bound access of qmi_invoke_handler() Currently, there is no terminator entry for ath12k_qmi_msg_handlers hence facing below KASAN warning, ================================================================== BUG: KASAN: global-out-of-bounds in qmi_invoke_handler+0xa4/0x148 Read of size 8 at addr ffffffd00a6428d8 by task kworker/u8:2/1273 CPU: 0 PID: 1273 Comm: kworker/u8:2 Not tainted 5.4.213 #0 Workqueue: qmi_msg_handler qmi_data_ready_work Call trace: dump_backtrace+0x0/0x20c show_stack+0x14/0x1c dump_stack+0xe0/0x138 print_address_description.isra.5+0x30/0x330 __kasan_report+0x16c/0x1bc kasan_report+0xc/0x14 __asan_load8+0xa8/0xb0 qmi_invoke_handler+0xa4/0x148 qmi_handle_message+0x18c/0x1bc qmi_data_ready_work+0x4ec/0x528 process_one_work+0x2c0/0x440 worker_thread+0x324/0x4b8 kthread+0x210/0x228 ret_from_fork+0x10/0x18 The address belongs to the variable: ath12k_mac_mon_status_filter_default+0x4bd8/0xfffffffffffe2300 [ath12k] [...] ================================================================== Add a dummy terminator entry at the end to assist the qmi_invoke_handler() in traversing up to the terminator entry without accessing an out-of-boundary index. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Affected

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

Linux Kernel· Linux
95%
6.3 ≤ v < 6.106.3 ≤ v < 6.6.336.3 ≤ v < 6.8.126.3 ≤ v < 6.9.36.7 ≤ v < 6.8.126.9 ≤ v < 6.9.36.3d889913205cf7ebda905b1e62c5867ed4e39f6c2
Vendor states this is fixed in 95575de7dede7b1ed3b9718dab9dda97914ea775 (fixed)
Vendor states this is fixed in a1abdb63628b04855a929850772de97435ed1555 (fixed)
Vendor states this is fixed in b48d40f5840c505b7af700594aa8379eec28e925 (fixed)
Vendor states this is fixed in e1bdff48a1bb4a4ac660c19c55a820968c48b3f2 (fixed)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.33 (unaffected)
Vendor states this is fixed in 6.8.12 (unaffected)
Vendor states this is fixed in 6.9.3 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/95575de7dede7b1ed3b9718dab9dda97914ea775
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a1abdb63628b04855a929850772de97435ed1555
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b48d40f5840c505b7af700594aa8379eec28e925
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e1bdff48a1bb4a4ac660c19c55a820968c48b3f2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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