[PATCH openEuler-1.0-LTS 0/4] bugfixes for CVE-2022-45884

bugfixes for CVE-2022-45884

Hyunwoo Kim (1): media: dvb-core: Fix use-after-free due to race at dvb_register_device()

Keita Suzuki (1): media: dvb-core: Fix double free in dvb_register_device()

Lin Ma (2): media: dvbdev: adopts refcnt to avoid UAF media: dvbdev: fix refcnt bug

drivers/media/dvb-core/dvb_ca_en50221.c | 2 +- drivers/media/dvb-core/dvb_frontend.c | 2 +- drivers/media/dvb-core/dvbdev.c | 122 ++++++++++++++++++------ include/media/dvbdev.h | 46 ++++++--- 4 files changed, 128 insertions(+), 44 deletions(-)