CVE-2024-41007 tcp: avoid too many retransmit packets

In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets If a TCP socket is using TCPUSERTIMEOUT, and the other peer retracted its window to zero, tcpretransmittimer can retransmit a packet every two jiffies 2 ms for HZ=1000, for about 4 minutes...

CVE-2024-41007 tcp: avoid too many retransmit packets

In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets If a TCP socket is using TCPUSERTIMEOUT, and the other peer retracted its window to zero, tcpretransmittimer can retransmit a packet every two jiffies 2 ms for HZ=1000, for about 4 minutes...

CVE-2024-41007

The CVE-2024-41007 issue is in the Linux kernel TCP retransmission logic. When a TCP socket uses TCP_USER_TIMEOUT and the peer retracts its window to zero, tcp_retransmit_timer() could endlessly retransmit a packet every two jiffies (~2 ms for HZ=1000) for about 4 minutes after expiration. The fi...