What’s Vulnerable › Vulnerabilities

CVE-2026-23314: regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio()

• 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: 2026-03-25 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio() In bq257xx_reg_dt_parse_gpio(), if fails to get subchild, it returns without calling of_node_put(child), causing the device node reference leak.

Affected products

• Linux kernel: from 6.18.1 before 6.18.17; from 6.19 before 6.19.7; 6.18, 7.0-rc1, 7.0-rc2, 7.0-rc3, 7.0-rc4, 7.0-rc5 (+2) — fixed in 6.18.17, 6.19.7

How to fix

Upgrade to a fixed version: Linux kernel 6.18.17, 6.19.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4baaddaa44af01cd4ce239493060738fd0881835
• https://git.kernel.org/stable/c/93b64bef8cd4074806d981ed1b4c38c3ae0542e3
• https://git.kernel.org/stable/c/aba54a5a113667df9d339f4192650f6bc27e9d1f

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