Linux kernel ice driver memory leak (ice_set_ringparam)
CVE-2026-23389 Published on March 25, 2026
ice: Fix memory leak in ice_set_ringparam()
In the Linux kernel, the following vulnerability has been resolved:
ice: Fix memory leak in ice_set_ringparam()
In ice_set_ringparam, tx_rings and xdp_rings are allocated before
rx_rings. If the allocation of rx_rings fails, the code jumps to
the done label leaking both tx_rings and xdp_rings. Furthermore, if
the setup of an individual Rx ring fails during the loop, the code jumps
to the free_tx label which releases tx_rings but leaks xdp_rings.
Fix this by introducing a free_xdp label and updating the error paths to
ensure both xdp_rings and tx_rings are properly freed if rx_rings
allocation or setup fails.
Compile tested only. Issue found using a prototype static analysis tool
and code review.
Products Associated with CVE-2026-23389
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Affected Versions
Linux:- Version fcea6f3da546b93050f3534aadea7bd96c1d7349 and below 44ba32a892b72de3faa04b8cfb1f2f1418fdd580 is affected.
- Version fcea6f3da546b93050f3534aadea7bd96c1d7349 and below fe868b499d16f55bbeea89992edb98043c9de416 is affected.
- Version 4.17 is affected.
- Before 4.17 is unaffected.
- Version 6.19.7, <= 6.19.* is unaffected.
- Version 7.0-rc3, <= * is unaffected.