CVE-2025-68245 — Improper Update of Reference Count in Linux

CWE-911 — Improper Update of Reference Count49 documents7 sources
Severity
7.8HIGHOSV
OSV3.2
No vector
EPSS
0.1%
top 79.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedDec 16
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: net: netpoll: fix incorrect refcount handling causing incorrect cleanup commit efa95b01da18 ("netpoll: fix use after free") incorrectly ignored the refcount and prematurely set dev->npinfo to NULL during netpoll cleanup, leading to improper behavior and memory leaks. Scenario causing lack of proper cleanup: 1) A netpoll is associated with a NIC (e.g., eth0) and netdev->npinfo is allocated, and refcnt = 1 - Keep in mind that …

Affected Packages6 packages

▶Linuxlinux/linux_kernel3.17.0 — 5.4.302+6
▶Debianlinux/linux_kernel< 5.10.247-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-173.183+2
▶CVEListV5linux/linuxefa95b01da18ad22af62f6d99a3243f3be8fd264 — 8e6a50edad11e3e1426e4c29e7aa6201f3468ac2+8
▶debiandebian/linux< linux 6.1.159-1 (bookworm)

🔴Vulnerability Details

23
OSV
linux-raspi vulnerabilities↗2026-04-01
▶
OSV
linux-raspi, linux-raspi-realtime vulnerabilities↗2026-04-01
▶
OSV
linux-azure-6.8 vulnerabilities↗2026-03-25
▶
OSV
linux-azure vulnerabilities↗2026-03-25
▶
OSV
linux-intel-iot-realtime vulnerabilities↗2026-03-23
▶

📋Vendor Advisories

24
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-04-13
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-04-09
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2026-04-09
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2026-04-01
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2026-04-01
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-68245 Impact, Exploitability, and Mitigation Steps | Wiz↗
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