CVE-2022-20141
In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking.
Published Jun 1, 2022 · updated Oct 13, 2026
In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.
Timeline
Detection, updates, and resolution for this record.
Jun 1, 2022 · Catalog
Detected
In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.
Oct 13, 2026 · Catalog
Fix available
Android :linux_kernel: :0 → :2022-06-05
Oct 13, 2026 · Catalog
Updated
In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.
Affected
- Android :linux_kernel::0 → :2022-06-05