CVE-2026-63864

In the Linux kernel, the following vulnerability has been resolved: bpf: Propagate error from visit_tailcall_insn Commit e40f5a6bf88a ("bpf: correct stack liveness for tail calls") added visit_tailcall_insn() but did not check its return value.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/6bd96e40f31dde8f8cd79772b4df0f171cf8a915	Patch
https://git.kernel.org/stable/c/945816e63c8677cf4bfde963a0774432ce8afc85	Patch

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

26 Oct 2026, 16:55

Type	Values Removed	Values Added
CPE		cpe:2.3:o:linux:linux_kernel::::::::
First Time		Linux linux Kernel Linux
CWE		NVD-CWE-noinfo
References	~~() https://git.kernel.org/stable/c/6bd96e40f31dde8f8cd79772b4df0f171cf8a915 -~~	() https://git.kernel.org/stable/c/6bd96e40f31dde8f8cd79772b4df0f171cf8a915 - Patch
References	~~() https://git.kernel.org/stable/c/945816e63c8677cf4bfde963a0774432ce8afc85 -~~	() https://git.kernel.org/stable/c/945816e63c8677cf4bfde963a0774432ce8afc85 - Patch

Information

Published : 2026-07-19 15:16

Updated : 2026-10-26 16:55

NVD link : CVE-2026-63864

Mitre link : CVE-2026-63864

CVE.ORG link : CVE-2026-63864

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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