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Message-ID: <2024100922-CVE-2024-47673-9110@gregkh> Date: Wed, 9 Oct 2024 16:49:23 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-47673: wifi: iwlwifi: mvm: pause TCM when the firmware is stopped Description =========== In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: pause TCM when the firmware is stopped Not doing so will make us send a host command to the transport while the firmware is not alive, which will trigger a WARNING. bad state = 0 WARNING: CPU: 2 PID: 17434 at drivers/net/wireless/intel/iwlwifi/iwl-trans.c:115 iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi] RIP: 0010:iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi] Call Trace: <TASK> iwl_mvm_send_cmd+0x40/0xc0 [iwlmvm] iwl_mvm_config_scan+0x198/0x260 [iwlmvm] iwl_mvm_recalc_tcm+0x730/0x11d0 [iwlmvm] iwl_mvm_tcm_work+0x1d/0x30 [iwlmvm] process_one_work+0x29e/0x640 worker_thread+0x2df/0x690 ? rescuer_thread+0x540/0x540 kthread+0x192/0x1e0 ? set_kthread_struct+0x90/0x90 ret_from_fork+0x22/0x30 The Linux kernel CVE team has assigned CVE-2024-47673 to this issue. Affected and fixed versions =========================== Fixed in 6.1.112 with commit 5948a191906b Fixed in 6.6.53 with commit 2c61b561baf9 Fixed in 6.10.12 with commit 55086c97a55d Fixed in 6.11 with commit 0668ebc8c228 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-2024-47673 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/wireless/intel/iwlwifi/mvm/ops.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/5948a191906b54e10f02f6b7a7670243a39f99f4 https://git.kernel.org/stable/c/2c61b561baf92a2860c76c2302a62169e22c21cc https://git.kernel.org/stable/c/55086c97a55d781b04a2667401c75ffde190135c https://git.kernel.org/stable/c/0668ebc8c2282ca1e7eb96092a347baefffb5fe7
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