| From bippy-7c5fe7eed585 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-2025-21906: wifi: iwlwifi: mvm: clean up ROC on failure |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| wifi: iwlwifi: mvm: clean up ROC on failure |
| |
| If the firmware fails to start the session protection, then we |
| do call iwl_mvm_roc_finished() here, but that won't do anything |
| at all because IWL_MVM_STATUS_ROC_P2P_RUNNING was never set. |
| Set IWL_MVM_STATUS_ROC_P2P_RUNNING in the failure/stop path. |
| If it started successfully before, it's already set, so that |
| doesn't matter, and if it didn't start it needs to be set to |
| clean up. |
| |
| Not doing so will lead to a WARN_ON() later on a fresh remain- |
| on-channel, since the link is already active when activated as |
| it was never deactivated. |
| |
| The Linux kernel CVE team has assigned CVE-2025-21906 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.9 with commit 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 and fixed in 6.12.19 with commit a88c18409b5d69f426d5acc583c053eac71756a3 |
| Issue introduced in 6.9 with commit 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 and fixed in 6.13.7 with commit d1a12fcb9051bbf38b2e5af310ffb102a0fab6f9 |
| Issue introduced in 6.9 with commit 35c1bbd93c4e6969b3ac238b48a8bdff3e223ed8 and fixed in 6.14 with commit f9751163bffd3fe60794929829f810968c6de73d |
| |
| 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-2025-21906 |
| 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/time-event.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/a88c18409b5d69f426d5acc583c053eac71756a3 |
| https://git.kernel.org/stable/c/d1a12fcb9051bbf38b2e5af310ffb102a0fab6f9 |
| https://git.kernel.org/stable/c/f9751163bffd3fe60794929829f810968c6de73d |
