diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2023-3355.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2023-3355.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2023-3355.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2023-3355.patch new file mode 100644 index 000000000..c09b3c5d8 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/CVE-2023-3355.patch @@ -0,0 +1,36 @@ +From d839f0811a31322c087a859c2b181e2383daa7be Mon Sep 17 00:00:00 2001 +From: Jiasheng Jiang <jiasheng@iscas.ac.cn> +Date: Mon, 12 Dec 2022 17:11:17 +0800 +Subject: drm/msm/gem: Add check for kmalloc + +Add the check for the return value of kmalloc in order to avoid +NULL pointer dereference in copy_from_user. + +Fixes: 20224d715a88 ("drm/msm/submit: Move copy_from_user ahead of locking bos") +Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> +Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> +Patchwork: https://patchwork.freedesktop.org/patch/514678/ +Link: https://lore.kernel.org/r/20221212091117.43511-1-jiasheng@iscas.ac.cn +Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> +--- + drivers/gpu/drm/msm/msm_gem_submit.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c +index 45a3e5cadc7da..7c2cc1262c05d 100644 +--- a/drivers/gpu/drm/msm/msm_gem_submit.c ++++ b/drivers/gpu/drm/msm/msm_gem_submit.c +@@ -209,6 +209,10 @@ static int submit_lookup_cmds(struct msm_gem_submit *submit, + goto out; + } + submit->cmd[i].relocs = kmalloc(sz, GFP_KERNEL); ++ if (!submit->cmd[i].relocs) { ++ ret = -ENOMEM; ++ goto out; ++ } + ret = copy_from_user(submit->cmd[i].relocs, userptr, sz); + if (ret) { + ret = -EFAULT; +-- +cgit + |