CVE-2026-43335

interconnect: qcom: sm8450: Fix NULL pointer dereference in icc_link_nodes()

MEDIUM
5.5
CVSS Score
Published: May 8, 2026 at 01:31 PM UTC
Updated: June 17, 2026 at 10:49 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: interconnect: qcom: sm8450: Fix NULL pointer dereference in icc_link_nodes() The change to dynamic IDs for SM8450 platform interconnects left two links unconverted, fix it to avoid the NULL pointer dereference in runtime, when a pointer to a destination interconnect is not valid: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 <...> Call trace: icc_link_nodes+0x3c/0x100 (P) qcom_icc_rpmh_probe+0x1b4/0x528 platform_probe+0x64/0xc0 really_probe+0xc4/0x2a8 __driver_probe_device+0x80/0x140 driver_probe_device+0x48/0x170 __device_attach_driver+0xc0/0x148 bus_for_each_drv+0x88/0xf0 __device_attach+0xb0/0x1c0 device_initial_probe+0x58/0x68 bus_probe_device+0x40/0xb8 deferred_probe_work_func+0x90/0xd0 process_one_work+0x15c/0x3c0 worker_thread+0x2e8/0x400 kthread+0x150/0x208 ret_from_fork+0x10/0x20 Code: 900310f4 911d6294 91008280 94176078 (f94002a0) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing: Oops: Fatal exception

Affected

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

6.19 ≤ v < 6.19.126.19 ≤ v < 7.051513bec806fbe1cf9254baed97f115a480bbb536.197.0 rc17.0 rc27.0 rc37.0 rc47.0 rc57.0 rc6
Vendor states this is fixed in 77d22bf3fc5d1bcdee035979b07840c9c2ece8f2 (fixed)
Vendor states this is fixed in dbbd550d7c8d90d3af9fe8a12a9caff077ddb8e3 (fixed)
Vendor states this is fixed in 6.19 (unaffected)
Vendor states this is fixed in 6.19.12 (unaffected)
Vendor states this is fixed in 7.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

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

Quick Info

StatusANALYZED
CWE
CWE-476

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