CVE-2026-93274: Linux kernel · pinctrl: bcm2835: Don't remove an unregistered GPIO chip
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 26 Oct 2026, 14:05 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 24 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
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
References
- ubuntu.com/security/CVE-2026-93274 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-93274 (opens in a new tab)
- git.kernel.org/stable/c/f494cfc254cd509d7cbc44b843e0a6602a520a33 (opens in a new tab)
- git.kernel.org/stable/c/dd6b1919e41d1260259c4505777be565fb3a7efd (opens in a new tab)
- git.kernel.org/stable/c/3b978fd0a3092b25561ac26bc1a87149fa981ddc (opens in a new tab)
- git.kernel.org/stable/c/b8535f5c77cc61352d02a0c038a280127a8b8208 (opens in a new tab)
- git.kernel.org/stable/c/d428863ca8baa4e9eaf781266ac219b017dcf277 (opens in a new tab)
- git.kernel.org/stable/c/32711f77db0641e57fd96fdc013bf1286b9f2514 (opens in a new tab)
- git.kernel.org/stable/c/727f043d699ab0d5d87122c2177f2b45fbe58d35 (opens in a new tab)
- git.kernel.org/stable/c/68ea6dd23b732081826c36033835468383487864 (opens in a new tab)
- msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-93274.json (opens in a new tab)
- support.microsoft.com/lifecycle (opens in a new tab)
- first.org/cvss (opens in a new tab)