CVE-2022-50536

CVE-2022-50536 affects the Linux kernel’s BPF sockmap path. In tcp_bpf_send_verdict() redirection, the eval variable is set to __SK_REDIRECT after sending apply_bytes data; if msg.has_more_data, sock_put() can be called multiple times, risking a use-after-free via refcount misuse. The issue is fi...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the failure of tcpbpfsendverdict to call skmsgfree on a failed psock-cork allocation, which could lead to a...

CVE-2022-50409 net: If sock is dead don't access sock's sk_wq in sk_stream_wait_memory

In the Linux kernel, the following vulnerability has been resolved: net: If sock is dead don't access sock's skwq in skstreamwaitmemory Fixes the below NULL pointer dereference: ... 14.471200 Call Trace: 14.471562 14.471882 lockacquire+0x245/0x2e0 14.472416 ? removewaitqueue+0x12/0x50 14.473014 ?...

SUSE CVE-2024-56694

In the Linux kernel, the following vulnerability has been resolved: bpf: fix recursive lock when verdict program return SKPASS When the streamverdict program returns SKPASS, it places the received skb into its own receive queue, but a recursive lock eventually occurs, leading to an operating syst...