!1482 CVE-2023-3567 fix patches

Merge Pull Request from: @ci-robot 
 
PR sync from: Lu Jialin <lujialin4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/MIDF5L7L2X2TOVLMC5V5F4QF7ZAKGN5I/ 
First is the patch to fix CVE-2023-3567. The latter two patches are the
bugfix patches for the first patch.

George Kennedy (2):
  vc_screen: move load of struct vc_data pointer in vcs_read() to avoid
    UAF
  vc_screen: modify vcs_size() handling in vcs_read()

Thomas Weißschuh (1):
  vc_screen: don't clobber return value in vcs_read


-- 
2.17.1
 
https://gitee.com/src-openeuler/kernel/issues/I7JRBO?from=project-issue 
 
Link:https://gitee.com/openeuler/kernel/pulls/1482

 

Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>