| 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-2023-53003: EDAC/qcom: Do not pass llcc_driv_data as edac_device_ctl_info's pvt_info |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| EDAC/qcom: Do not pass llcc_driv_data as edac_device_ctl_info's pvt_info |
| |
| The memory for llcc_driv_data is allocated by the LLCC driver. But when |
| it is passed as the private driver info to the EDAC core, it will get freed |
| during the qcom_edac driver release. So when the qcom_edac driver gets probed |
| again, it will try to use the freed data leading to the use-after-free bug. |
| |
| Hence, do not pass llcc_driv_data as pvt_info but rather reference it |
| using the platform_data pointer in the qcom_edac driver. |
| |
| The Linux kernel CVE team has assigned CVE-2023-53003 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 4.20 with commit 27450653f1db0b9d5b5048a246c850c52ee4aa61 and fixed in 5.4.231 with commit 66e10d5f399629ef7877304d9ba2b35d0474e7eb |
| Issue introduced in 4.20 with commit 27450653f1db0b9d5b5048a246c850c52ee4aa61 and fixed in 5.10.166 with commit 76d9ebb7f0bc10fbc78b6d576751552edf743968 |
| Issue introduced in 4.20 with commit 27450653f1db0b9d5b5048a246c850c52ee4aa61 and fixed in 5.15.91 with commit bff5243bd32661cf9ce66f6d9210fc8f89bda145 |
| Issue introduced in 4.20 with commit 27450653f1db0b9d5b5048a246c850c52ee4aa61 and fixed in 6.1.9 with commit 6f0351d0c311951b8b3064db91e61841e85b2b96 |
| Issue introduced in 4.20 with commit 27450653f1db0b9d5b5048a246c850c52ee4aa61 and fixed in 6.2 with commit 977c6ba624f24ae20cf0faee871257a39348d4a9 |
| |
| 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-2023-53003 |
| 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/edac/qcom_edac.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/66e10d5f399629ef7877304d9ba2b35d0474e7eb |
| https://git.kernel.org/stable/c/76d9ebb7f0bc10fbc78b6d576751552edf743968 |
| https://git.kernel.org/stable/c/bff5243bd32661cf9ce66f6d9210fc8f89bda145 |
| https://git.kernel.org/stable/c/6f0351d0c311951b8b3064db91e61841e85b2b96 |
| https://git.kernel.org/stable/c/977c6ba624f24ae20cf0faee871257a39348d4a9 |
