Linux Kernel Bonding: Infinite Loop Fix in bond_header_parse()
CVE-2026-23451 Published on April 3, 2026
bonding: prevent potential infinite loop in bond_header_parse()
In the Linux kernel, the following vulnerability has been resolved:
bonding: prevent potential infinite loop in bond_header_parse()
bond_header_parse() can loop if a stack of two bonding devices is setup,
because skb->dev always points to the hierarchy top.
Add new "const struct net_device *dev" parameter to
(struct header_ops)->parse() method to make sure the recursion
is bounded, and that the final leaf parse method is called.
Products Associated with CVE-2026-23451
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Affected Versions
Linux:- Version 9baf26a91565b7bb2b1d9f99aaf884a2b28c2f6d and below 946bb6cacf0ccada7bc80f1cfa07c1ed79511c1c is affected.
- Version 6ac890f1d60ac3707ee8dae15a67d9a833e49956 and below 4172a7901cf43fe1cc63ef7a2ef33735ff7b7d13 is affected.
- Version 95597d11dc8bddb2b9a051c9232000bfbb5e43ba and below 9b49c854f14f5e2d493e562a1e28d2e57fe37371 is affected.
- Version 950803f7254721c1c15858fbbfae3deaaeeecb11 and below b7405dcf7385445e10821777143f18c3ce20fa04 is affected.
- Version 7.0-rc4 is affected.
- Before 7.0-rc4 is unaffected.
- Version 6.18.20, <= 6.18.* is unaffected.
- Version 6.19.10, <= 6.19.* is unaffected.
- Version 7.0-rc5, <= * is unaffected.