CVE-2025-68191Logging of Excessive Data in Linux

Severity
7.8HIGHOSV
OSV3.2
No vector
EPSS
0.1%
top 79.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 16
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: use netdev_warn() instead of netdev_WARN() netdev_WARN() uses WARN/WARN_ON to print a backtrace along with file and line information. In this case, udp_tunnel_nic_register() returning an error is just a failed operation, not a kernel bug. udp_tunnel_nic_register() can fail due to a memory allocation failure (kzalloc() or udp_tunnel_nic_alloc()). This is a normal runtime error and not a kernel bug. Replace netdev_

Affected Packages6 packages

Linuxlinux/linux_kernel5.9.05.10.247+5
Debianlinux/linux_kernel< 5.10.247-1+3
Ubuntulinux/linux_kernel< 5.15.0-173.183+2
CVEListV5linux/linuxcc4e3835eff474aa274d6e1d18f69d9d296d3b76087f1ed450dc6e7e49ffbbbe5b78be1218c6d5e0+7
debiandebian/linux< linux 6.1.159-1 (bookworm)

🔴Vulnerability Details

23
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-raspi, linux-raspi-realtime vulnerabilities2026-04-01
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure vulnerabilities2026-03-25
OSV
linux-intel-iot-realtime vulnerabilities2026-03-23

📋Vendor Advisories

24
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01

🕵️Threat Intelligence

1
Wiz
CVE-2025-68191 Impact, Exploitability, and Mitigation Steps | Wiz