UnratedFix available
pinctrl: bcm2835: Don't remove an unregistered GPIO chip
Type: advisorySources: OSV
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
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.270, 5.15.221, 6.1.188, 6.12.110, 6.18.52, 6.6.157, 7.2.6
- CVEs
- CVE-2026-93274
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 20:16 UTC · Revision 1
Source evidence
pinctrl: bcm2835: Don't remove an unregistered GPIO chip
core-osv · Original sourcePublished 24 Sept 2026, 15:52 UTC
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
osv:CVE-2026-93274
Kernel
Fixed versions: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6
Complete source record
{
"id": "4b351edfd00efac4b2b8f79bedb2e5c602656ebd7d4feb90eac7e6a2273fc299",
"url": "https://osv.dev/vulnerability/CVE-2026-93274",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "pinctrl: bcm2835: Don't remove an unregistered GPIO chip",
"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",
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"https://git.kernel.org/stable/c/b8535f5c77cc61352d02a0c038a280127a8b8208",
"https://git.kernel.org/stable/c/d428863ca8baa4e9eaf781266ac219b017dcf277",
"https://git.kernel.org/stable/c/dd6b1919e41d1260259c4505777be565fb3a7efd",
"https://git.kernel.org/stable/c/f494cfc254cd509d7cbc44b843e0a6602a520a33",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93274.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-93274",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93274.json"
}
},
"related_cves": [
{
"value": "CVE-2026-93274",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 489744,
"published_at": "2026-09-24T15:52:16.117+00:00"
}