CVE-2024-40954

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...

CVE-2024-40954 net: do not leave a dangling sk pointer, when socket creation fails

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...

CVE-2024-40954 net: do not leave a dangling sk pointer, when socket creation fails

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...

CVE-2024-40954: Use After Free

In the Linux kernel, the following vulnerability has been resolved: net: do not leave a dangling sk pointer, when socket creation fails It is possible to trigger a use-after-free by: attaching an fentry probe to sockrelease and the probe calling the bpfgetsocketcookie helper running traceroute -I...

PT-2024-29227

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.43 Description The vulnerability is related to the sk msg recvmsg function in the Linux kernel, which can cause a kernel panic when a zero-length skb is passed to it. This issue occurs when running BPF...

CVE-2024-33621

In the Linux kernel, the following vulnerability has been resolved: ipvlan: Dont Use skb-sk in ipvlanprocessv4,6outbound Raw packet from PFPACKET socket ontop of an IPv6-backed ipvlan device will hit WARNONONCE in skmcloop through schdirectxmit path. WARNING: CPU: 2 PID: 0 at net/core/sock.c:775...

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-2022-48711 tipc: improve size validations for received domain records

In the Linux kernel, the following vulnerability has been resolved: tipc: improve size validations for received domain records The function tipcmonrcv allows a node to receive and process domainrecord structs from peer nodes to track their views of the network topology. This patch verifies that t...

CVE-2021-47593

In the Linux kernel, the following vulnerability has been resolved: mptcp: clear 'kern' flag from fallback sockets The mptcp ULP extension relies on sk-sksockkern being set correctly: It prevents setsockoptfd, IPPROTOTCP, TCPULP, "mptcp", 6; from working for plain tcp sockets any userspace-expose...

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

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-2024-36971

In the Linux kernel, the following vulnerability has been resolved: net: fix dstnegativeadvice race dstnegativeadvice does not enforce proper RCU rules when sk-dstcache must be cleared, leading to possible UAF. RCU rules are that we must first clear sk-skdstcache, then call dstreleaseolddst. Note...

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 a contention issue with skreceivequeue in afunix...

PT-2024-25381

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.37 Description A vulnerability in the Linux kernel has been resolved, where a raw packet from a PF PACKET socket on top of an IPv6-backed ipvlan device hits WARN ON ONCE in sk mc loop through the sch direct...

PT-2024-9228

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.9.0 Description: The vulnerability is related to a race condition between the sock map close and sk psock put functions in the Linux kernel. This can cause a null pointer dereference when the refcount of psock...

PT-2025-13362

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A possible deadlock in the Linux kernel's Bluetooth functionality has been identified. The issue occurs when rfcomm sock connect acquires the sk lock and waits for the rfcomm lock, while...

SUSE CVE-2024-26921

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use iplocalout and other functions can pass skb-sk as function argument. If the skb is a fragment and reassembly happens before such function call returns, the sk must not be...

CVE-2024-26921

CVE-2024-26921 affects the Linux kernel inet_defrag path. The issue arises when ip_local_out() and similar calls pass skb->sk as an argument and the skb is a fragment undergoing reassembly; if reassembly happens before the call returns, the socket (skb->sk) must not be released. This can oc...

UBUNTU-CVE-2024-26864

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix refcnt handling in inethashconnect. syzbot reported a warning in sknullsdelnodeinitrcu. The commit 66b60b0c8c4a "dccp/tcp: Unhash sk from ehash for tb2 alloc failure after checkestalblished." tried to fix an issue that a...