CVE-2026-43023

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in scosockconnect scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect syscalls on the same socket can both pass the check and enter scoconnect,...

CVE-2026-43016

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use-after-free of AFUNIX socket's sk-sksocket in skpsockverdictdataready. 0 In unixstreamsendmsg, the peer socket's -skdataready is calle...

EUVD-2026-26649

In the Linux kernel, the following vulnerability has been resolved: atm: lec: fix use-after-free in sockdefreadable A race condition exists between lecatmclose setting priv-lecd to NULL and concurrent access to priv-lecd in sendtolecd, lechandlebridge, and lecatmsend. When the socket is freed via...

CVE-2026-43050

In the Linux kernel, the following vulnerability has been resolved: atm: lec: fix use-after-free in sockdefreadable A race condition exists between lecatmclose setting priv-lecd to NULL and concurrent access to priv-lecd in sendtolecd, lechandlebridge, and lecatmsend. When the socket is freed via...

EUVD-2026-26638

In the Linux kernel, the following vulnerability has been resolved: net: ti: icssg-prueth: fix missing data copy and wrong recycle in ZC RX dispatch emacdispatchskbzc allocates a new skb via napiallocskb but never copies the packet data from the XDP buffer into it. The skb is passed up the stack...

CVE-2026-43037

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip4ip6err Oskar Kjos reported the following problem. ip4ip6err calls icmpsend on a cloned skb whose cb was written by the IPv6 receive path as struct inet6skbparm. icmpsend passes IPCBskb2 to...

CVE-2026-43038 ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach()

In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach Sashiko AI-review observed: In ip6errgenicmpv6unreach, the skb is an outer IPv4 ICMP error packet where its cb contains an IPv4 inetskbparm. When skb is cloned into skb2 and...

CVE-2026-43037

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip4ip6err Oskar Kjos reported the following problem. ip4ip6err calls icmpsend on a cloned skb whose cb was written by the IPv6 receive path as struct inet6skbparm. icmpsend passes IPCBskb2 to...

EUVD-2026-26636

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: clear skb2-cb in ip4ip6err Oskar Kjos reported the following problem. ip4ip6err calls icmpsend on a cloned skb whose cb was written by the IPv6 receive path as struct inet6skbparm. icmpsend passes IPCBskb2 to...

EUVD-2026-26628

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

EUVD-2026-26622

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in scosockconnect scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect syscalls on the same socket can both pass the check and enter scoconnect,...

CVE-2026-43023 Bluetooth: SCO: fix race conditions in sco_sock_connect()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in scosockconnect scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect syscalls on the same socket can both pass the check and enter scoconnect,...

CVE-2026-43023

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in scosockconnect scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect syscalls on the same socket can both pass the check and enter scoconnect,...

CVE-2026-43023

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in scosockconnect scosockconnect checks skstate and sktype without holding the socket lock. Two concurrent connect syscalls on the same socket can both pass the check and enter scoconnect,...

CVE-2026-43023

CVE-2026-43023 affects the Linux kernel Bluetooth SCO path. A race condition in sco_sock_connect() allows two concurrent connect() attempts on the same socket to bypass locks, leading to use-after-free and potential socket/state corruption (BT_OPEN -> BT_CONNECT with zombie sk). The issue is d...

CVE-2026-43016

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use-after-free of AFUNIX socket's sk-sksocket in skpsockverdictdataready. 0 In unixstreamsendmsg, the peer socket's -skdataready is calle...

CVE-2026-43016

The CVE-2026-43016 entries describe a use-after-free in the Linux kernel BPF sockmap path (sockmap) affecting AF_UNIX sockets. The issue occurs in sk_psock_verdict_data_ready(), when the peer’s sk_socket may be freed after an RCU grace period, while the sender holds the peer’s refcount. The root ...

CVE-2026-43016 bpf: sockmap: Fix use-after-free of sk->sk_socket in sk_psock_verdict_data_ready().

In the Linux kernel, the following vulnerability has been resolved: bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use-after-free of AFUNIX socket's sk-sksocket in skpsockverdictdataready. 0 In unixstreamsendmsg, the peer socket's -skdataready is calle...

CVE-2026-43011 net/x25: Fix potential double free of skb

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix potential double free of skb When allocskb fails in x25queuerxframe it calls kfreeskbskb at line 48 and returns 1 error. This error propagates back through the call chain: x25queuerxframe returns 1 | v x25state3machi...