| From bippy-5f407fcff5a0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2024-27046: nfp: flower: handle acti_netdevs allocation failure |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| nfp: flower: handle acti_netdevs allocation failure |
| |
| The kmalloc_array() in nfp_fl_lag_do_work() will return null, if |
| the physical memory has run out. As a result, if we dereference |
| the acti_netdevs, the null pointer dereference bugs will happen. |
| |
| This patch adds a check to judge whether allocation failure occurs. |
| If it happens, the delayed work will be rescheduled and try again. |
| |
| The Linux kernel CVE team has assigned CVE-2024-27046 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 4.19.311 with commit d746889db75a76aeee95fb705b8e1ac28c684a2e |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 5.4.273 with commit 3b1e8a617eb0f4cdc19def530047a95b5abde07d |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 5.10.214 with commit 928705e341010dd910fdece61ccb974f494a758f |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 5.15.153 with commit 0d387dc503f9a53e6d1f6e9dd0292d38f083eba5 |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 6.1.83 with commit c9b4e220dd18f79507803f38a55d53b483f6c9c3 |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 6.6.23 with commit 408ba7fd04f959c61b50db79c983484312fea642 |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 6.7.11 with commit c8df9203bf22c66fa26e8d8c7f8ce181cf88099d |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 6.8.2 with commit 9d8eb1238377cd994829f9162ae396a84ae037b2 |
| Issue introduced in 4.18 with commit bb9a8d031140f186d13d82f57b0f5646d596652f and fixed in 6.9 with commit 84e95149bd341705f0eca6a7fcb955c548805002 |
| |
| Please see https://www.kernel.org for a full list of currently supported |
| kernel versions by the kernel community. |
| |
| Unaffected versions might change over time as fixes are backported to |
| older supported kernel versions. The official CVE entry at |
| https://cve.org/CVERecord/?id=CVE-2024-27046 |
| will be updated if fixes are backported, please check that for the most |
| up to date information about this issue. |
| |
| |
| Affected files |
| ============== |
| |
| The file(s) affected by this issue are: |
| drivers/net/ethernet/netronome/nfp/flower/lag_conf.c |
| |
| |
| Mitigation |
| ========== |
| |
| The Linux kernel CVE team recommends that you update to the latest |
| stable kernel version for this, and many other bugfixes. Individual |
| changes are never tested alone, but rather are part of a larger kernel |
| release. Cherry-picking individual commits is not recommended or |
| supported by the Linux kernel community at all. If however, updating to |
| the latest release is impossible, the individual changes to resolve this |
| issue can be found at these commits: |
| https://git.kernel.org/stable/c/d746889db75a76aeee95fb705b8e1ac28c684a2e |
| https://git.kernel.org/stable/c/3b1e8a617eb0f4cdc19def530047a95b5abde07d |
| https://git.kernel.org/stable/c/928705e341010dd910fdece61ccb974f494a758f |
| https://git.kernel.org/stable/c/0d387dc503f9a53e6d1f6e9dd0292d38f083eba5 |
| https://git.kernel.org/stable/c/c9b4e220dd18f79507803f38a55d53b483f6c9c3 |
| https://git.kernel.org/stable/c/408ba7fd04f959c61b50db79c983484312fea642 |
| https://git.kernel.org/stable/c/c8df9203bf22c66fa26e8d8c7f8ce181cf88099d |
| https://git.kernel.org/stable/c/9d8eb1238377cd994829f9162ae396a84ae037b2 |
| https://git.kernel.org/stable/c/84e95149bd341705f0eca6a7fcb955c548805002 |
