CVE-2026-74696

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TFO maxqlen accounting across reuseport migration A listener's TCPFASTOPEN maxqlen stops being accurate and lets through far more pending Fast Open requests than it was configured for. This only shows up with SOREUSEPORT...

CVE-2026-74624

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...

AZL-97152 CVE-2026-74624 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...

AZL-97047 CVE-2026-74610 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: tls: don't leave a full plaintext skmsg ring unpushed When the copy path in tlsswsendmsglocked adds the fragment that fills the plaintext skmsg ring, it does not set fullrecord, so the record is left full and unpushed. A later...

UBUNTU-CVE-2026-74624

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...

CVE-2026-74696

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TFO maxqlen accounting across reuseport migration A listener's TCPFASTOPEN maxqlen stops being accurate and lets through far more pending Fast Open requests than it was configured for. This only shows up with SOREUSEPORT...

CVE-2026-74714

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

UBUNTU-CVE-2026-74714

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

UBUNTU-CVE-2026-74696

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TFO maxqlen accounting across reuseport migration A listener's TCPFASTOPEN maxqlen stops being accurate and lets through far more pending Fast Open requests than it was configured for. This only shows up with SOREUSEPORT...

CVE-2026-74624

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...

CVE-2026-74714 bpf: tcp: Fix use-after-free in bpf_iter_tcp_established_batch()

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

CVE-2026-74714

A use-after-free vulnerability in the Linux kernel BPF TCP iterator, specifically in bpf_iter_tcp_established_batch(). The root cause is a race condition: sock_hold() increments the reference count of a request_sock whose rsk_refcnt is still zero at publish time, and the subsequent refcount_set(3...

CVE-2026-74714 bpf: tcp: Fix use-after-free in bpf_iter_tcp_established_batch()

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

EUVD-2026-64401

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

CVE-2026-74696 tcp: fix TFO max_qlen accounting across reuseport migration

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TFO maxqlen accounting across reuseport migration A listener's TCPFASTOPEN maxqlen stops being accurate and lets through far more pending Fast Open requests than it was configured for. This only shows up with SOREUSEPORT...

CVE-2026-74696 tcp: fix TFO max_qlen accounting across reuseport migration

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TFO maxqlen accounting across reuseport migration A listener's TCPFASTOPEN maxqlen stops being accurate and lets through far more pending Fast Open requests than it was configured for. This only shows up with SOREUSEPORT...

CVE-2026-74696

CVE-2026-74696 is a denial-of-service vulnerability in the Linux kernel's TCP Fast Open (TFO) implementation. The root cause is an accounting error in fastopenq.qlen during SO_REUSEPORT listener migration : when a listener is closed and its pending TFO children are handed to a surviving listener,...

CVE-2026-74624

A deadlock vulnerability exists in the Linux kernel's netfilter nf_conntrack component. When TCP or SCTP conntrack paths emit invalid-packet logs while ct->lock is held, and logging is routed to nfnetlink_log with conntrack export enabled, the log path can re-enter conntrack netlink glue that ...

CVE-2026-74624 netfilter: nf_conntrack: defer invalid log until after unlock

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...

EUVD-2026-64561

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: defer invalid log until after unlock TCP and SCTP conntrack paths can emit invalid-packet logs while ct-lock is still held. When invalid logging is routed to nfnetlinklog and conntrack export is enabled, t...