CVE-2026-93274 (GCVE-0-2026-93274)

Vulnerability from cvelistv5 – Published: 2026-09-24 15:52 – Updated: 2026-09-24 15:52
VLAI
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
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ba696b470839d70c6b8290c1f798bac7fb2a584c , < d428863ca8baa4e9eaf781266ac219b017dcf277 (git)
Affected: 79c6d4fa1be1fd0819c50ebb4dee101bbbc4d20e , < f494cfc254cd509d7cbc44b843e0a6602a520a33 (git)
Affected: 266423e60ea1b953fcc0cd97f3dad85857e434d1 , < dd6b1919e41d1260259c4505777be565fb3a7efd (git)
Affected: 266423e60ea1b953fcc0cd97f3dad85857e434d1 , < 3b978fd0a3092b25561ac26bc1a87149fa981ddc (git)
Affected: 266423e60ea1b953fcc0cd97f3dad85857e434d1 , < b8535f5c77cc61352d02a0c038a280127a8b8208 (git)
Affected: 266423e60ea1b953fcc0cd97f3dad85857e434d1 , < 68ea6dd23b732081826c36033835468383487864 (git)
Affected: 266423e60ea1b953fcc0cd97f3dad85857e434d1 , < 727f043d699ab0d5d87122c2177f2b45fbe58d35 (git)
Affected: 266423e60ea1b953fcc0cd97f3dad85857e434d1 , < 32711f77db0641e57fd96fdc013bf1286b9f2514 (git)
Affected: 75278f1aff5e14c904d3503c6f836c42a7afb441 (git)
Affected: 5.10.89 , < 5.10.270 (semver)
Affected: 5.15.12 , < 5.15.221 (semver)
Affected: 5.4.175 , < 5.5 (semver)
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Linux Linux Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 5.10.270 , ≤ 5.10.* (semver)
Unaffected: 5.15.221 , ≤ 5.15.* (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (semver)
Unaffected: 6.6.157 , ≤ 6.6.* (semver)
Unaffected: 6.12.110 , ≤ 6.12.* (semver)
Unaffected: 6.18.52 , ≤ 6.18.* (semver)
Unaffected: 7.2.6 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: bcm2835: Don\u0027t remove an unregistered GPIO chip\n\nIf the devm_pinctrl_register() function fails,\nbcm2835_pinctrl_probe() calls gpiochip_remove()\nbefore gpiochip_add_data() has registered the GPIO chip.\n\nThis means that upon failure the gpio_chip.gpiodev\n is NULL resulting in a null pointer dereference\ninside the gpiochip_remove() function.\n\nRemove the unnecessary function call to gpiochip_remove().\nNo GPIO cleanup is required because the GPIO chip\nhas not yet been registered. Without this change there\nis potential for a kernel panic upon registration failure"
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        },
        {
          "url": "https://git.kernel.org/stable/c/32711f77db0641e57fd96fdc013bf1286b9f2514"
        }
      ],
      "title": "pinctrl: bcm2835: Don\u0027t remove an unregistered GPIO chip",
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    "datePublished": "2026-09-24T15:52:16.117Z",
    "dateReserved": "2026-09-17T16:02:15.098Z",
    "dateUpdated": "2026-09-24T15:52:16.117Z",
    "state": "PUBLISHED"
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          }
        ],
        "id": "CVE-2026-93274",
        "lastModified": "2026-09-24T16:17:24.527",
        "metrics": {},
        "published": "2026-09-24T16:17:24.527",
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    },
    "suse_vex": {
      "aggregate_severity": "not set",
      "current_release_date": "2026-09-24T23:48:34Z",
      "cve": "CVE-2026-93274",
      "id": "CVE-2026-93274",
      "initial_release_date": "2026-09-24T23:48:34Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-93274",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-93274.json",
      "version": "2"
    }
  }
}



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