CVE-2025-40135 — Expired Pointer Dereference in Linux

CWE-825 — Expired Pointer Dereference16 documents7 sources
Severity
7.0HIGH
No vector
EPSS
0.0%
top 92.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
LinuxLinux KernelDebian Linux+6 more
Timeline
PublishedNov 12
Latest updateFeb 24

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

Affected Packages11 packages

▶Linuxlinux/linux_kernel4.13.0 — 6.1.167+3
▶Debianlinux/linux_kernel< 6.17.6-1
▶Ubuntulinux/linux_kernel< 6.17.0-14.14

🔴Vulnerability Details

8
OSV
linux-azure vulnerabilities↗2026-02-24
▶
OSV
linux-oem-6.17 vulnerabilities↗2026-02-17
▶
OSV
linux-aws, linux-oracle vulnerabilities↗2026-02-17
▶
OSV
linux-gcp vulnerabilities↗2026-02-12
▶
OSV
linux, linux-raspi, linux-realtime vulnerabilities↗2026-02-12
▶

📋Vendor Advisories

7
Ubuntu
Linux kernel (Azure) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2026-02-17
▶
Ubuntu
Linux kernel (GCP) vulnerabilities↗2026-02-12
▶
Ubuntu
Linux kernel vulnerabilities↗2026-02-12
▶
Red Hat
kernel: ipv6: use RCU in ip6_xmit()↗2025-11-12
▶