What is CVE-2026-53078?

CVE-2026-53078 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-06-24.

How severe is CVE-2026-53078?

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

Out-of-bounds Read in Linux

CVE-2026-53078

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix same-register dst/src OOB read and pointer leak in sock_ops When a BPF sock_ops program accesses ctx fields with dst_reg == src_reg, the SOCK_OPS_GET_SK() and S…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.6th 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 5.8.4, fd09af010788a884de1c39537c288830c3d305db, cd4644d904e1d153d516e73e2e127e7a2fe687e1
Linux Linux_kernel — versions 5.9

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

Frequently asked questions

What is CVE-2026-53078?: CVE-2026-53078 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-06-24.
How severe is CVE-2026-53078?: High severity. CVSS v3 base score is 7.8 out of 10.