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Message-ID: <2024052158-CVE-2023-52798-374e@gregkh> Date: Tue, 21 May 2024 17:31:34 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2023-52798: wifi: ath11k: fix dfs radar event locking Description =========== In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix dfs radar event locking The ath11k active pdevs are protected by RCU but the DFS radar event handling code calling ath11k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only. The Linux kernel CVE team has assigned CVE-2023-52798 to this issue. Affected and fixed versions =========================== Issue introduced in 5.6 with commit d5c65159f289 and fixed in 5.10.202 with commit f882f5190551 Issue introduced in 5.6 with commit d5c65159f289 and fixed in 5.15.140 with commit 426e718ce9ba Issue introduced in 5.6 with commit d5c65159f289 and fixed in 6.1.64 with commit ca420ac4f945 Issue introduced in 5.6 with commit d5c65159f289 and fixed in 6.5.13 with commit 1fd878e17501 Issue introduced in 5.6 with commit d5c65159f289 and fixed in 6.6.3 with commit 21ebb0aba580 Issue introduced in 5.6 with commit d5c65159f289 and fixed in 6.7 with commit 3b6c14833165 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-2023-52798 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/ath/ath11k/wmi.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/f882f51905517575c9f793a3dff567af90ef9a10 https://git.kernel.org/stable/c/426e718ce9ba60013364a54233feee309356cb82 https://git.kernel.org/stable/c/ca420ac4f9451f22347bae44b18ab47ba2c267ec https://git.kernel.org/stable/c/1fd878e1750190a612b5de2af357cca422ec0822 https://git.kernel.org/stable/c/21ebb0aba580d347e12f01ce5f6e75044427b3d5 https://git.kernel.org/stable/c/3b6c14833165f689cc5928574ebafe52bbce5f1e
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