| 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-2024-35950: drm/client: Fully protect modes[] with dev->mode_config.mutex |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/client: Fully protect modes[] with dev->mode_config.mutex |
| |
| The modes[] array contains pointers to modes on the connectors' |
| mode lists, which are protected by dev->mode_config.mutex. |
| Thus we need to extend modes[] the same protection or by the |
| time we use it the elements may already be pointing to |
| freed/reused memory. |
| |
| The Linux kernel CVE team has assigned CVE-2024-35950 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 5.4.275 with commit 5a2f957e3c4553bbb100504a1acfeaeb33f4ca4e |
| Fixed in 5.10.216 with commit 41586487769eede64ab1aa6c65c74cbf76c12ef0 |
| Fixed in 5.15.156 with commit d2dc6600d4e3e1453e3b1fb233e9f97e2a1ae949 |
| Fixed in 6.1.87 with commit 18c8cc6680ce938d0458859b6a08b4d34f7d8055 |
| Fixed in 6.6.28 with commit 04e018bd913d3d3336ab7d21c2ad31a9175fe984 |
| Fixed in 6.8.7 with commit 8ceb873d816786a7c8058f50d903574aff8d3764 |
| Fixed in 6.9 with commit 3eadd887dbac1df8f25f701e5d404d1b90fd0fea |
| |
| 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-2024-35950 |
| 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/gpu/drm/drm_client_modeset.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/5a2f957e3c4553bbb100504a1acfeaeb33f4ca4e |
| https://git.kernel.org/stable/c/41586487769eede64ab1aa6c65c74cbf76c12ef0 |
| https://git.kernel.org/stable/c/d2dc6600d4e3e1453e3b1fb233e9f97e2a1ae949 |
| https://git.kernel.org/stable/c/18c8cc6680ce938d0458859b6a08b4d34f7d8055 |
| https://git.kernel.org/stable/c/04e018bd913d3d3336ab7d21c2ad31a9175fe984 |
| https://git.kernel.org/stable/c/8ceb873d816786a7c8058f50d903574aff8d3764 |
| https://git.kernel.org/stable/c/3eadd887dbac1df8f25f701e5d404d1b90fd0fea |
