| 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-2024-56752: drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new() |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new() |
| |
| When the call to gf100_grctx_generate() fails, unlock gr->fecs.mutex |
| before returning the error. |
| |
| Fixes smatch warning: |
| |
| drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100_gr_chan_new() warn: inconsistent returns '&gr->fecs.mutex'. |
| |
| The Linux kernel CVE team has assigned CVE-2024-56752 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.2 with commit ca081fff6ecc63c86a99918230cc9b947bebae8a and fixed in 6.6.64 with commit 237f2dbfa00576bb1aa8dc2dce403c64e53270e6 |
| Issue introduced in 6.2 with commit ca081fff6ecc63c86a99918230cc9b947bebae8a and fixed in 6.11.11 with commit 22b4a623c0f230540f02f4358744cce62ae12dbf |
| Issue introduced in 6.2 with commit ca081fff6ecc63c86a99918230cc9b947bebae8a and fixed in 6.12.2 with commit 24b1df744ef444f9846f52de4985790a5fd1c0de |
| Issue introduced in 6.2 with commit ca081fff6ecc63c86a99918230cc9b947bebae8a and fixed in 6.13 with commit a2f599046c671d6b46d93aed95b37241ce4504cf |
| |
| 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-2024-56752 |
| 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/nouveau/nvkm/engine/gr/gf100.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/237f2dbfa00576bb1aa8dc2dce403c64e53270e6 |
| https://git.kernel.org/stable/c/22b4a623c0f230540f02f4358744cce62ae12dbf |
| https://git.kernel.org/stable/c/24b1df744ef444f9846f52de4985790a5fd1c0de |
| https://git.kernel.org/stable/c/a2f599046c671d6b46d93aed95b37241ce4504cf |
