pinctrl: bcm2835: Don't remove an unregistered GPIO chip
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
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- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 1 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: pinctrl: bcm2835: Don't remove an unregistered GPIO chip If the devm_pinctrl_register() function fails, bcm2835_pinctrl_probe() calls gpiochip_remove() before gpiochip_add_data() has registered the GPIO chip. This means that upon failure the gpio_chip.gpiodev is NULL resulting in a null pointer dereference inside the gpiochip_remove() function. Remove the unnecessary function call to gpiochip_remove(). No GPIO cleanup is required because the GPIO chip has not yet been registered. Without this change there is potential for a kernel panic upon registration failure
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 5.5
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
Not affected: 6 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93274
- 2026-10-03 Alias added: GHSA-6v4f-r38f-j6j4
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/d428863ca8baa4e9eaf781266ac219b017dcf277
- https://git.kernel.org/stable/c/f494cfc254cd509d7cbc44b843e0a6602a520a33
- https://git.kernel.org/stable/c/dd6b1919e41d1260259c4505777be565fb3a7efd
- https://git.kernel.org/stable/c/3b978fd0a3092b25561ac26bc1a87149fa981ddc
- https://git.kernel.org/stable/c/b8535f5c77cc61352d02a0c038a280127a8b8208
- https://git.kernel.org/stable/c/68ea6dd23b732081826c36033835468383487864
- https://git.kernel.org/stable/c/727f043d699ab0d5d87122c2177f2b45fbe58d35
- https://git.kernel.org/stable/c/32711f77db0641e57fd96fdc013bf1286b9f2514
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Sources
- CVE-2026-93274 · CVE Program
- CVE-2026-93274 · NVD
- FIRST EPSS
- GHSA-6v4f-r38f-j6j4 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-93274 · Red Hat security data · CC BY 4.0
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