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CVE-2026-63864

bpf: Propagate error from visit_tailcall_insn PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected e40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd before 945816e63c8677cf4bfde963a0774432ce8afc85; affected e40f5a6bf88a781d5f81bc6b8aab9ac31d8c98dd before 6bd96e40f31dde8f8cd79772b4df0f171cf8a915
Linux / Linuxaffected 6.19; unaffected 0 before 6.19; unaffected 7.0.10 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References