| 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-2024-50159: firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup() |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup() |
| |
| Clang static checker(scan-build) throws below warning： |
| | drivers/firmware/arm_scmi/driver.c:line 2915, column 2 |
| | Attempt to free released memory. |
| |
| When devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup() |
| will run twice which causes double free of 'dbg->name'. |
| |
| Remove the redundant scmi_debugfs_common_cleanup() to fix this problem. |
| |
| The Linux kernel CVE team has assigned CVE-2024-50159 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.3 with commit c3d4aed763ce4a39f8ed36c7b7cd9a6a35971329 and fixed in 6.6.59 with commit 6d91d07913aee90556362d648d6a28a1eda419dc |
| Issue introduced in 6.3 with commit c3d4aed763ce4a39f8ed36c7b7cd9a6a35971329 and fixed in 6.11.6 with commit fb324fdaf546bf14bc4c17e0037bca6cb952b121 |
| Issue introduced in 6.3 with commit c3d4aed763ce4a39f8ed36c7b7cd9a6a35971329 and fixed in 6.12 with commit 39b13dce1a91cdfc3bec9238f9e89094551bd428 |
| |
| 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-2024-50159 |
| 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/firmware/arm_scmi/driver.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/6d91d07913aee90556362d648d6a28a1eda419dc |
| https://git.kernel.org/stable/c/fb324fdaf546bf14bc4c17e0037bca6cb952b121 |
| https://git.kernel.org/stable/c/39b13dce1a91cdfc3bec9238f9e89094551bd428 |
