CVE-2025-21982NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV5.9OSV4.7
EPSS
0.0%
top 84.93%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 1
Latest updateOct 15

Description

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: npcm8xx: Add NULL check in npcm8xx_gpio_fw devm_kasprintf() calls can return null pointers on failure. But the return values were not checked in npcm8xx_gpio_fw(). Add NULL check in npcm8xx_gpio_fw(), to handle kernel NULL pointer dereference error.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

NVDlinux/linux_kernel6.76.12.20+2
Debianlinux/linux_kernel< 6.12.20-1+1
Ubuntulinux/linux_kernel< 6.8.0-84.84
CVEListV5linux/linuxacf4884a571709cad99f98aabe08b7cacd62dc80a585f6ea42ec259a9a57e3e2580fa527c92187d0+3
debiandebian/linux< linux 6.12.20-1 (forky)

Patches

🔴Vulnerability Details

20
OSV
linux-oracle-6.8 vulnerabilities2025-10-15
OSV
linux-azure-nvidia vulnerabilities2025-10-08
OSV
linux-oracle vulnerabilities2025-10-06
OSV
linux-azure, linux-azure-6.8 vulnerabilities2025-10-02
OSV
linux-raspi-realtime vulnerabilities2025-10-02

📋Vendor Advisories

20
Ubuntu
Linux kernel (Oracle) vulnerabilities2025-10-15
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities2025-10-08
Ubuntu
Linux kernel (Oracle) vulnerabilities2025-10-06
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities2025-10-02
Ubuntu
Linux kernel (HWE) vulnerabilities2025-10-02
CVE-2025-21982 — NULL Pointer Dereference in Linux | cvebase