| 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-2023-52783: net: wangxun: fix kernel panic due to null pointer |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| net: wangxun: fix kernel panic due to null pointer |
| |
| When the device uses a custom subsystem vendor ID, the function |
| wx_sw_init() returns before the memory of 'wx->mac_table' is allocated. |
| The null pointer will causes the kernel panic. |
| |
| The Linux kernel CVE team has assigned CVE-2023-52783 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.3 with commit 79625f45ca73ef37c18a6e4b5b6ce7daa1e92683 and fixed in 6.6.4 with commit 61a55071653974dab172d4c5d699bb365cfd13c9 |
| Issue introduced in 6.3 with commit 79625f45ca73ef37c18a6e4b5b6ce7daa1e92683 and fixed in 6.7 with commit 8ba2c459668cfe2aaacc5ebcd35b4b9ef8643013 |
| |
| 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-2023-52783 |
| 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/wangxun/libwx/wx_hw.c |
| drivers/net/ethernet/wangxun/ngbe/ngbe_main.c |
| drivers/net/ethernet/wangxun/txgbe/txgbe_main.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/61a55071653974dab172d4c5d699bb365cfd13c9 |
| https://git.kernel.org/stable/c/8ba2c459668cfe2aaacc5ebcd35b4b9ef8643013 |
