| 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-2024-46700: drm/amdgpu/mes: fix mes ring buffer overflow |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/amdgpu/mes: fix mes ring buffer overflow |
| |
| wait memory room until enough before writing mes packets |
| to avoid ring buffer overflow. |
| |
| v2: squash in sched_hw_submission fix |
| |
| (cherry picked from commit 34e087e8920e635c62e2ed6a758b0cd27f836d13) |
| |
| The Linux kernel CVE team has assigned CVE-2024-46700 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.11 with commit de3246254156e7f32e5591ad0b3b740ffde8258e and fixed in 6.10.8 with commit ed37550d7c516017c3b0324bdf144e2fa563ffb0 |
| |
| 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-2024-46700 |
| 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/amd/amdgpu/amdgpu_ring.c |
| drivers/gpu/drm/amd/amdgpu/mes_v11_0.c |
| drivers/gpu/drm/amd/amdgpu/mes_v12_0.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/ed37550d7c516017c3b0324bdf144e2fa563ffb0 |
| https://git.kernel.org/stable/c/11752c013f562a1124088a35bd314aa0e9f0e88f |