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

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.19.0-rc8 Description A soft lockup can occur in the mptcp recvmsg function. When receiving data with MSG PEEK and MSG WAITALL flags, the socket buffer skb is not removed from the sk receive queue. This causes the sk wait...

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 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...

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,...