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CVE-2026-64179: net: wwan: iosm: fix potential memory leaks in ipc_imem_init()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-19 · updated 2026-08-12
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix potential memory leaks in ipc_imem_init() The memory allocated in ipc_protocol_init() is not freed on the error paths that follow in ipc_imem_init(). Fix that by calling the corresponding release function ipc_protocol_deinit() in the error path.

Affected products

• Linux kernel: from 5.14 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.142; from 6.7 before 6.12.92; from 6.13 before 6.18.34; from 6.19 before 7.0.11 — fixed in 5.15.209, 6.1.175, 6.12.92, 6.18.34, 6.6.142, 7.0.11

How to fix

Upgrade to a fixed version: Linux kernel 5.15.209, 6.1.175, 6.12.92, 6.18.34. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/583fd5a8fc797c8ecf2e1a7b923740c5e5734e85
• https://git.kernel.org/stable/c/6f63a60580ebdd9a1f22f89a84814d1fefe16b1c
• https://git.kernel.org/stable/c/8f764a7810a9f114313c439d25b11f4417c6e0dd
• https://git.kernel.org/stable/c/ba6d8643019c33428f7c0658863e80e0b04a70f4
• https://git.kernel.org/stable/c/c5d93b2c40355e999715262a824965aac025a427
• https://git.kernel.org/stable/c/f1a4d57847813fae42fbb7eb35f2dd48b9cff8a9
• https://git.kernel.org/stable/c/ffb6dbb49c96be82f07c7b112e3ebc3e6fdd8dd5

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