CVE-2025-68188 — Incorrect Synchronization in Linux

CWE-821 — Incorrect Synchronization17 documents8 sources
Severity
7.8HIGH
No vector
EPSS
0.0%
top 90.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
LinuxLinux KernelDebian Linux+6 more
Timeline
PublishedDec 16
Latest updateFeb 24

Description

In the Linux kernel, the following vulnerability has been resolved: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check() Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.

Affected Packages11 packages

▶Linuxlinux/linux_kernel4.12.0 — 6.12.58+1
▶Debianlinux/linux_kernel< 6.12.63-1+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: tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()↗2025-12-16
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-68188 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2025-68188 — Incorrect Synchronization in Linux | cvebase