🛡️ AZL-77435 — kernel

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2023-53561 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved:

net: wwan: iosm: fix NULL pointer dereference when removing device

In suspend and resume cycle, the removal and rescan of device ends

up in NULL pointer dereference.

During driver initialization, if the ipc_imem_wwan_channel_init()

fails to get the valid device capabilities it returns an error and

further no resource (wwan struct) will be allocated. Now in this

situation if driver removal procedure is initiated it would result

in NULL pointer exception since unallocated wwan struct is dereferenced

inside ipc_wwan_deinit().

ipc_imem_run_state_worker() to handle the called functions return value

and to release the resource in failure case. It also reports the link

down event in failure cases. The user space application can handle this

event to do a device reset for restoring the device communication.

Affected software

AZL-77435 is recorded against 1 package.

  • kernel

Timeline and source

Published on 4 October 2025 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-10-04
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — —

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