[PATCH 6.6.y/6.12.y/6.18.y 0/2] bpf: Fix ld_{abs,ind} failure path analysis in subprogs

From: Philo Lu

Date: Wed Jul 22 2026 - 03:49:32 EST


Backport of the CVE-2026-53090 fix.

1/2 ee861486e377, the CVE fix.
2/2 e0fcb42bc6f4, selftests for the fix.

Daniel Borkmann (2):
bpf: Fix ld_{abs,ind} failure path analysis in subprogs
selftests/bpf: Add tests for ld_{abs,ind} failure path in subprogs

kernel/bpf/verifier.c | 17 +++
.../selftests/bpf/progs/verifier_ld_ind.c | 142 ++++++++++++++++++
2 files changed, 159 insertions(+)

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2.47.3