CVE-2021-47555

Summary (supported by provided docs): In the Linux kernel, the VLAN real_dev refcnt underflow was fixed. The issue occurred when an error was injected before dev_hold(real_dev) in register_vlan_dev(), causing the real_dev refcount to underflow and triggering a warning and an endless wait-loop dur...

CVE-2021-47222 net: bridge: fix vlan tunnel dst refcnt when egressing

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dstclone and directly sets the result which is wrong because the entry might have 0 refcnt or be already deleted, causing number of problems. It...

CVE-2024-26864: Exposure of Sensitive Information to an Unauthorized Actor

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix refcnt handling in inethashconnect. syzbot reported a warning in sknullsdelnodeinitrcu. The commit 66b60b0c8c4a "dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished." tried to fix an issue that a...