| 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-2024-42081: drm/xe/xe_devcoredump: Check NULL before assignments |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drm/xe/xe_devcoredump: Check NULL before assignments |
| |
| Assign 'xe_devcoredump_snapshot *' and 'xe_device *' only if |
| 'coredump' is not NULL. |
| |
| v2 |
| - Fix commit messages. |
| |
| v3 |
| - Define variables before code.(Ashutosh/Jose) |
| |
| v4 |
| - Drop return check for coredump_to_xe. (Jose/Rodrigo) |
| |
| v5 |
| - Modify misleading commit message. (Matt) |
| |
| The Linux kernel CVE team has assigned CVE-2024-42081 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.8 with commit dd08ebf6c3525a7ea2186e636df064ea47281987 and fixed in 6.9.8 with commit 76ec0e33707282d5321555698d902f4e067aff37 |
| Issue introduced in 6.8 with commit dd08ebf6c3525a7ea2186e636df064ea47281987 and fixed in 6.10 with commit b15e65349553b1689d15fbdebea874ca5ae2274a |
| |
| 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-2024-42081 |
| 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/xe/xe_devcoredump.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/76ec0e33707282d5321555698d902f4e067aff37 |
| https://git.kernel.org/stable/c/b15e65349553b1689d15fbdebea874ca5ae2274a |
