CVE-2025-71182Improper Control of a Resource Through its Lifetime in Linux

Severity
5.5MEDIUMNVD
OSV7.8
EPSS
0.0%
top 99.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 31
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: make j1939_session_activate() fail if device is no longer registered syzbot is still reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 even after commit 93a27b5891b8 ("can: j1939: add missing calls in NETDEV_UNREGISTER notification handler") was added. A debug printk() patch found that j1939_session_activate() can succeed even after j1939_cancel_active_session() from j1939_netdev_n

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 Packages7 packages

Linuxlinux/linux_kernel5.4.05.10.248+5
NVDlinux/linux_kernel5.4.15.10.248+7
Debianlinux/linux_kernel< 5.10.249-1+3
Ubuntulinux/linux_kernel< 5.15.0-173.183
CVEListV5linux/linux9d71dd0c70099914fcd063135da3c580865e924cebb0dfd718dd31c8d3600612ca4b7207ec3d923a+7

Patches

🔴Vulnerability Details

10
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-intel-iot-realtime vulnerabilities2026-03-23
OSV
linux-nvidia-tegra-igx vulnerabilities2026-03-23
OSV
linux-realtime vulnerabilities2026-03-17
OSV
linux-aws-5.15, linux-gcp-5.15, linux-gke, linux-hwe-5.15, linux-intel-iotg-5.15, linux-lowlatency-hwe-5.15, linux-oracle-5.15 vulnerabilities2026-03-17

📋Vendor Advisories

11
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Intel IoTG Real-time) vulnerabilities2026-03-23
Ubuntu
Linux kernel (NVIDIA Tegra IGX) vulnerabilities2026-03-23

🕵️Threat Intelligence

1
Wiz
CVE-2025-71182 Impact, Exploitability, and Mitigation Steps | Wiz