CVE-2025-38591

bpf: Reject narrower access to pointer ctx fields

References

Notes

 carnil> Introduced in f96da09473b52 ("bpf: simplify narrower ctx access")
 carnil> 0df1a55afa832 ("bpf: Warn on internal verifier errors"). Vulnerable versions:
 carnil> 4.13.

Bugs

Status

Branch Status
upstream released (6.17-rc1) [e09299225d5ba3916c91ef70565f7d2187e4cca0]
6.19-upstream-stable N/A "Fixed before branching point"
6.18-upstream-stable N/A "Fixed before branching point"
6.17-upstream-stable N/A "Fixed before branching point"
6.16-upstream-stable released (6.16.1) [202900ceeef67458c964c2af6e1427c8e533ea7c]
6.15-upstream-stable needed
6.12-upstream-stable released (6.12.67) [058a0da4f6d916a79b693384111bb80a90d73763]
6.6-upstream-stable needed
6.1-upstream-stable released (6.1.162) [33660d44e789edb4f303210c813fc56d56377a90]
5.10-upstream-stable released (5.10.249) [7847c4140e06f6e87229faae22cc38525334c156]
sid released (6.16.3-1)
6.12-trixie-security released (6.12.69-1)
6.1-bookworm-security released (6.1.162-1)
5.10-bullseye-security released (5.10.249-1)