What’s Vulnerable › Vulnerabilities

CVE-2026-89504: regulator: as3722_get_regulator_dt_data: fix premature of_node_put leaving dangling of_node pointer

• Severity: high (CVSS 8.4 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: 2026-09-11 · updated 2026-10-19

Description

In the Linux kernel, the following vulnerability has been resolved: regulator: as3722_get_regulator_dt_data: fix premature of_node_put leaving dangling of_node pointer In as3722_get_regulator_dt_data(), of_get_child_by_name() acquires a reference on np, which is then assigned to pdev->dev.of_node. The function immediately calls of_node_put(np), releasing the reference and leaving pdev->dev.of_node as a dangling pointer. Remove the of_node_put(np) call to let the device hold the reference.

Affected products

• Linux kernel: 3.13 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux kernel 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0bde4f140e90f87ebd49cd9c884c4bb3f19fe931
• https://git.kernel.org/stable/c/8648e29e5c01b6b677c704049189287e27255ccb
• https://git.kernel.org/stable/c/95342d26f9c6b68a46ab57fa48428a3c4a423dd7
• https://git.kernel.org/stable/c/bd5606e9da1a01a61c7d2f5df36243414a0142be
• https://git.kernel.org/stable/c/d3c1316d84e0a036890b00ae6e4c0b0b80f70c25
• https://git.kernel.org/stable/c/d9b1407477fb736978b04108073180ca84958936
• https://git.kernel.org/stable/c/eda08b6bd64f01ca9defbfcc9e0c3e30f46cfc02
• https://git.kernel.org/stable/c/f9324d670ae0b88cbfb0aa48fcaefa5baeb8da4c

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