CVE-2026-64518

CVE-2026-64518 affects the Linux kernel TCP stack. Affected component is tcp_ao_established_key(), where an out-of-bounds access can occur due to the added lockdep_sock_is_held() annotation. The issue can be triggered from tcp_v46_timewait_ack() while handling a twsk, because the code path lacks ...

CVE-2026-64518 tcp: Fix out-of-bounds access for twsk in tcp_ao_established_key().

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcpaoestablishedkey. lockdepsockisheld was added in tcpaoestablishedkey by the cited commit. It can be called from tcpv46timewaitack with twsk. Since it does not have sk-sklock, the lockd...

CVE-2026-64518

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcpaoestablishedkey. lockdepsockisheld was added in tcpaoestablishedkey by the cited commit. It can be called from tcpv46timewaitack with twsk. Since it does not have sk-sklock, the lockd...

EUVD-2026-48862

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcpaoestablishedkey. lockdepsockisheld was added in tcpaoestablishedkey by the cited commit. It can be called from tcpv46timewaitack with twsk. Since it does not have sk-sklock, the lockd...

CVE-2026-64514

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

CVE-2026-64514 userfaultfd: gate must_wait writability check on pte_present()

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

CVE-2026-64333

The CVE-2026-64333 issue affects the Linux kernel USB serial driver digi_acceleport. The vulnerability was caused by digi_write_inb_command() not properly handling timeouts: it could update the transfer buffer and resubmit the URB on timeout, and for break-control type commands with no timeout it...

CVE-2026-64333 USB: serial: digi_acceleport: fix write buffer corruption

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64333 USB: serial: digi_acceleport: fix write buffer corruption

In the Linux kernel, the following vulnerability has been resolved: USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, but instead it updates the transfer buffer and tries to resubmit the u...

CVE-2026-64281

CVE-2026-64281 affects the Linux kernel svcrdma transport (svc_rdma) where threads parked in svc_rdma_sq_wait() could hang indefinitely during transport teardown due to missing wakeups on close. The fixed flow adds svc_rdma_xprt_deferred_close(), which calls svc_xprt_deferred_close() and then wak...

CVE-2026-64281 svcrdma: wake sq waiters when the transport closes

In the Linux kernel, the following vulnerability has been resolved: svcrdma: wake sq waiters when the transport closes Threads parked in svcrdmasqwait on scsqticketwait or scsendwait can hang indefinitely in TASKUNINTERRUPTIBLE state across transport teardown, pinning svcxprt references and...

EUVD-2026-48993

In the Linux kernel, the following vulnerability has been resolved: svcrdma: wake sq waiters when the transport closes Threads parked in svcrdmasqwait on scsqticketwait or scsendwait can hang indefinitely in TASKUNINTERRUPTIBLE state across transport teardown, pinning svcxprt references and...

CVE-2026-64281 svcrdma: wake sq waiters when the transport closes

In the Linux kernel, the following vulnerability has been resolved: svcrdma: wake sq waiters when the transport closes Threads parked in svcrdmasqwait on scsqticketwait or scsendwait can hang indefinitely in TASKUNINTERRUPTIBLE state across transport teardown, pinning svcxprt references and...

CVE-2026-64258 fuse-uring: remove request-less entries from ent_w_req_queue to fix NULL deref

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from entwreqqueue to fix NULL deref If a copy into the userspace ring buffer fails, a request will be terminated and fuseuringreqend will set ent-fusereq to NULL but it will leave the entry...

Linux Distros Unpatched Vulnerability : CVE-2026-64333

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: serial: digiacceleport: fix write buffer corruption The digiwriteinbcommand is supposed to wait for the write urb to become available or return an error, b...

PT-2026-64502

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Threads parked in the svc rdma sq wait function on sc sq ticket wait or sc send wait can hang indefinitely in a TASK UNINTERRUPTIBLE state during transport teardown. This occurs because...

CVE-2026-41637

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...

CVE-2026-41637 Degradation of resolution service from improperly accounted client-terminated DNS-over-QUIC queries

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...

CVE-2026-41637 Degradation of resolution service from improperly accounted client-terminated DNS-over-QUIC queries

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...

EUVD-2026-47665

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...