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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Free debugfs on registration failure c4iw_alloc() creates the per-device debugfs tree (dev->debugfs_root via setup_debugfs()), but it is removed only in c4iw_remove(), not in c4iw_dealloc(). When RDMA device registration fails, the registration worker's err_dealloc_ctx path calls c4iw_dealloc() directly, bypassing c4iw_remove(), so the debugfs dentries leak and outlive the freed c4iw_dev. Move debugfs_remove_recursive() into c4iw_dealloc() so every path that frees ctx->dev also removes its debugfs tree.
Засегнати продукти
- Linux Linux: 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди 459b59f7ed56511d6529311cb4e5e482ebfcfb8e; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди cd60992f09b7e83bfd3c76e3bb06b29f3e2fa0a8; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди c332d9e7dce234d8bef78271d003a68ee943b61b; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди f98e894ec029a752cf9c7f7834741bead0fb463d; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди 479a7f90060e62bdd9bb4036ec0a70bf460f6d23; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди 046425412529dbfca1433c8bef5641b271b4ab2a; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди ea41b5630fa3d9877ce9ed8832cf5575f742bfbb; 49ea0c036ede81f126f1a9389d377999fdf5c5a1 преди fe5c16bb6252dea6025b748257ddc3b2665495b0; 98fa991017981b52dcc4dc3924fc8e1e83e41bf4; af92e4a595e006b498c44b617ea38f697eca3469; 9c0cec79e5c914662c2cf98b4a729c0fcc8c872e; 4.19.130 преди 4.20; 5.4.49 преди 5.5; 5.7.6 преди 5.8
- Linux Linux: 5.8; преди 5.8; 5.10.270 до 5.10.*; 5.15.221 до 5.15.*; 6.1.188 до 6.1.*; 6.6.157 до 6.6.*; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; от 7.3 нататък
История
- 17 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-90219
- https://nvd.nist.gov/vuln/detail/CVE-2026-90219
- https://git.kernel.org/stable/c/459b59f7ed56511d6529311cb4e5e482ebfcfb8e
- https://git.kernel.org/stable/c/cd60992f09b7e83bfd3c76e3bb06b29f3e2fa0a8
- https://git.kernel.org/stable/c/c332d9e7dce234d8bef78271d003a68ee943b61b
- https://git.kernel.org/stable/c/f98e894ec029a752cf9c7f7834741bead0fb463d
- https://git.kernel.org/stable/c/479a7f90060e62bdd9bb4036ec0a70bf460f6d23
- https://git.kernel.org/stable/c/046425412529dbfca1433c8bef5641b271b4ab2a
- https://git.kernel.org/stable/c/ea41b5630fa3d9877ce9ed8832cf5575f742bfbb
- https://git.kernel.org/stable/c/fe5c16bb6252dea6025b748257ddc3b2665495b0