CVE-2024-50190
ice: fix memleak in ice_init_tx_topology()
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ice: fix memleak in ice_init_tx_topology()
In the Linux kernel, the following vulnerability has been resolved: ice: fix memleak in ice_init_tx_topology() Fix leak of the FW blob (DDP pkg). Make ice_cfg_tx_topo() const-correct, so ice_init_tx_topology() can avoid copying whole FW blob. Copy just the topology section, and only when needed. Reuse the buffer allocated for the read of the current topology. This was found by kmemleak, with the following trace for each PF: [<ffffffff8761044d>] kmemdup_noprof+0x1d/0x50 [<ffffffffc0a0a480>] ice_init_ddp_config+0x100/0x220 [ice] [<ffffffffc0a0da7f>] ice_init_dev+0x6f/0x200 [ice] [<ffffffffc0a0dc49>] ice_init+0x29/0x560 [ice] [<ffffffffc0a10c1d>] ice_probe+0x21d/0x310 [ice] Constify ice_cfg_tx_topo() @buf parameter. This cascades further down to few more functions.
Reserved 2024-10-21 | Published 2024-11-08 | Updated 2024-11-19 | Assigner Linuxgit.kernel.org/stable/c/43544b4e30732c3d88f423252281915d5bc739b6
git.kernel.org/stable/c/c188afdc36113760873ec78cbc036f6b05f77621
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