PT-2024-9253

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns information leakage in the /proc/net/ptype file. After creating a packet socket without binding it to a device in one net namespace, users in other net namespaces ca...

DEBIAN-CVE-2021-47606

In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len parameter to avoid empty skb. This prevents a division error in netemenqueue function which is caused when skb-len=0 and skb-datalen=0 in...

CVE-2021-47597

In the Linux kernel, the following vulnerability has been resolved: inetdiag: fix kernel-infoleak for UDP sockets KMSAN reported a kernel-infoleak 1, that can exploited by unpriv users. After analysis it turned out UDP was not initializing r-idiagexpires. Other users of inetskdiagfill might make...

CVE-2021-47597

In the Linux kernel, the following vulnerability has been resolved: inetdiag: fix kernel-infoleak for UDP sockets KMSAN reported a kernel-infoleak 1, that can exploited by unpriv users. After analysis it turned out UDP was not initializing r-idiagexpires. Other users of inetskdiagfill might make...

UBUNTU-CVE-2021-47591

In the Linux kernel, the following vulnerability has been resolved: mptcp: remove tcp ulp setsockopt support TCPULP setsockopt cannot be used for mptcp because its already used internally to plumb subflow tcp sockets to the mptcp layer. syzbot managed to trigger a crash for mptcp connections that...

GHSA-25HC-QCG6-38WJ socket.io has an unhandled 'error' event

Impact A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. node:events:502 throw err; // Unhandled 'error' event ^ Error ERRUNHANDLEDERROR: Unhandled error. undefined at new NodeError node:internal/errors:405:5 at...

CVE-2021-47603 audit: improve robustness of the audit queue handling

In the Linux kernel, the following vulnerability has been resolved: audit: improve robustness of the audit queue handling If the audit daemon were ever to get stuck in a stopped state the kernel's kauditdthread could get blocked attempting to send audit records to the userspace audit daemon. With...

CVE-2021-47597 inet_diag: fix kernel-infoleak for UDP sockets

In the Linux kernel, the following vulnerability has been resolved: inetdiag: fix kernel-infoleak for UDP sockets KMSAN reported a kernel-infoleak 1, that can exploited by unpriv users. After analysis it turned out UDP was not initializing r-idiagexpires. Other users of inetskdiagfill might make...

CVE-2021-47590 mptcp: fix deadlock in __mptcp_push_pending()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix deadlock in mptcppushpending mptcppushpending may call mptcpflushjoinlist with subflow socket lock held. If such call hits mptcpsockoptsyncall then subsequently mptcpsockoptsync could try to lock the subflow socket for...

CVE-2024-38566

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

DEBIAN-CVE-2024-38566

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

UBUNTU-CVE-2024-38566

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

CVE-2024-38566

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

CVE-2024-38566 bpf: Fix verifier assumptions about socket->sk

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

CVE-2024-38566 bpf: Fix verifier assumptions about socket->sk

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

CVE-2024-38566 bpf: Fix verifier assumptions about socket->sk

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

CVE-2024-38566

CVE-2024-38566: In the Linux kernel, the bpf verifier had an incorrect assumption that socket->sk is valid when a trusted socket is used, which may not hold for sockets just created and passed to LSM socket_accept hooks. The fix relaxes the verifier assumption and updates tests. The vulnerabil...

CVE-2024-38566

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

Linux kernel security vulnerabilities

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 afnetlink component's lack of a length check on skb...

CVE-2021-47590: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix deadlock in mptcppushpending mptcppushpending may call mptcpflushjoinlist with subflow socket lock held. If such call hits mptcpsockoptsyncall then subsequently mptcpsockoptsync could try to lock the subflow socket for...