What is CVE-2026-53262?

CVE-2026-53262 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-06-25.

How severe is CVE-2026-53262?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2026-53262

In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tp_ioctl() pppol2tp_ioctl() read sock->sk->sk_user_data directly without any locks or reference counting. If a contro…

EPSS: 0.001 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions fd558d186df2c13a22455373858bae634a4795af, 2.6.35, 0
Linux Linux_kernel — versions 7.1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53262?: CVE-2026-53262 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-06-25.
How severe is CVE-2026-53262?: High severity. CVSS v3 base score is 7.8 out of 10.