| 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-2024-56778: drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check |
| |
| The return value of drm_atomic_get_crtc_state() needs to be |
| checked. To avoid use of error pointer 'crtc_state' in case |
| of the failure. |
| |
| The Linux kernel CVE team has assigned CVE-2024-56778 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 4.6 with commit dd86dc2f9ae1102f46115be1f1422265c15540f1 and fixed in 5.15.174 with commit 31c857e7496d34e5a32a6f75bc024d0b06fd646a |
| Issue introduced in 4.6 with commit dd86dc2f9ae1102f46115be1f1422265c15540f1 and fixed in 6.1.120 with commit 6b0d0d6e9d3c26697230bf7dc9e6b52bdb24086f |
| Issue introduced in 4.6 with commit dd86dc2f9ae1102f46115be1f1422265c15540f1 and fixed in 6.6.64 with commit 82a5312f874fb18f045d9658e9bd290e3b0621c0 |
| Issue introduced in 4.6 with commit dd86dc2f9ae1102f46115be1f1422265c15540f1 and fixed in 6.12.4 with commit 837eb99ad3340c7a9febf454f41c8e3edb68ac1e |
| Issue introduced in 4.6 with commit dd86dc2f9ae1102f46115be1f1422265c15540f1 and fixed in 6.13 with commit c1ab40a1fdfee732c7e6ff2fb8253760293e47e8 |
| |
| 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-2024-56778 |
| 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/sti/sti_hqvdp.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/31c857e7496d34e5a32a6f75bc024d0b06fd646a |
| https://git.kernel.org/stable/c/6b0d0d6e9d3c26697230bf7dc9e6b52bdb24086f |
| https://git.kernel.org/stable/c/82a5312f874fb18f045d9658e9bd290e3b0621c0 |
| https://git.kernel.org/stable/c/837eb99ad3340c7a9febf454f41c8e3edb68ac1e |
| https://git.kernel.org/stable/c/c1ab40a1fdfee732c7e6ff2fb8253760293e47e8 |
