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 mptcprecvmsg function in mptcp not keeping track of the last snooped skb when using MSGPEEK, which could...

PT-2026-36446

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcp recvmsg syzbot reported a soft lockup in mptcp recvmsg 0. When receiving data with MSG PEEK | MSG WAITALL flags, the skb is not removed from the sk receive queue. This causes sk wait data to always...

CVE-2023-54112

In the Linux kernel, the following vulnerability has been resolved: kcm: Fix memory leak in error path of kcmsendmsg syzbot reported a memory leak like below: BUG: memory leak unreferenced object 0xffff88810b088c00 size 240: comm "syz-executor186", pid 5012, jiffies 4294943306 age 13.680s hex dum...

CVE-2023-54112

CVE-2023-54112 concerns a Linux kernel memory-leak in the kcm_sendmsg path. The issue arises when copying bytes in kcm_sendmsg(): if an error occurs and execution jumps to the out_error path, last_skb is not updated, causing last_skb to reference an obsolete skb and corrupting the head frag_list,...

CVE-2023-54112 kcm: Fix memory leak in error path of kcm_sendmsg()

In the Linux kernel, the following vulnerability has been resolved: kcm: Fix memory leak in error path of kcmsendmsg syzbot reported a memory leak like below: BUG: memory leak unreferenced object 0xffff88810b088c00 size 240: comm "syz-executor186", pid 5012, jiffies 4294943306 age 13.680s hex dum...