| 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-2023-52827: wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats() |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| wifi: ath12k: fix possible out-of-bound read in ath12k_htt_pull_ppdu_stats() |
| |
| len is extracted from HTT message and could be an unexpected value in |
| case errors happen, so add validation before using to avoid possible |
| out-of-bound read in the following message iteration and parsing. |
| |
| The same issue also applies to ppdu_info->ppdu_stats.common.num_users, |
| so validate it before using too. |
| |
| These are found during code review. |
| |
| Compile test only. |
| |
| The Linux kernel CVE team has assigned CVE-2023-52827 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.3 with commit d889913205cf7ebda905b1e62c5867ed4e39f6c2 and fixed in 6.5.13 with commit 79527c21a3ce04cffc35ea54f74ee087e532be57 |
| Issue introduced in 6.3 with commit d889913205cf7ebda905b1e62c5867ed4e39f6c2 and fixed in 6.6.3 with commit c9e44111da221246efb2e623ae1be40a5cf6542c |
| Issue introduced in 6.3 with commit d889913205cf7ebda905b1e62c5867ed4e39f6c2 and fixed in 6.7 with commit 1bc44a505a229bb1dd4957e11aa594edeea3690e |
| |
| 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-2023-52827 |
| 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/ath12k/dp_rx.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/79527c21a3ce04cffc35ea54f74ee087e532be57 |
| https://git.kernel.org/stable/c/c9e44111da221246efb2e623ae1be40a5cf6542c |
| https://git.kernel.org/stable/c/1bc44a505a229bb1dd4957e11aa594edeea3690e |
