Riskcovery

CVE-2026-63864

bpf: Propagate error from visit_tailcall_insn

State
Published
Severity
8.4 High
Published
Jul 19, 2026
Updated
Aug 5, 2026
Reserved
Jul 19, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.18.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • e40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd to before 945816e63c8677cf4bfde963a0774432ce8afc85Affected
  • e40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd to before 6bd96e40f31dde8f8cd79772b4df0f171cf8a915Affected
LinuxLinux
  • 6.19Affected
  • before 6.19Not affected
  • 7.0.10 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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