What is CVE-2026-63797?

CVE-2026-63797 is a high-severity vulnerability in Linux. CVSS score: 8.4/10. Published 2026-07-19.

How severe is CVE-2026-63797?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Linux

CVE-2026-63797

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Fix use-after-free on probe error path rpmsg_chrdev_probe() stores the newly allocated eptdev in the default endpoint's priv pointer before calling rpmsg_ch…

EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions bc69d10665690492421d926b1cd9a7a36bffd691, 5.18, 0

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-63797?: CVE-2026-63797 is a high-severity vulnerability in Linux. CVSS score: 8.4/10. Published 2026-07-19.
How severe is CVE-2026-63797?: High severity. CVSS v3 base score is 8.4 out of 10.