UBUNTU-CVE-2026-74436

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

UBUNTU-CVE-2026-72299

In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock held while the socket is owned by user context. The spinlock protects the backlog queue in this path, but it does not serialize...

UBUNTU-CVE-2026-72462

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race in unix socket mediation when peerpath is used The holding a reference to the peersk is not enough to ensure access to the peer sk path. Accessing the path outside of the state lock allows for a race with...

CVE-2026-74436

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

CVE-2026-72299

In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock held while the socket is owned by user context. The spinlock protects the backlog queue in this path, but it does not serialize...

CVE-2026-72462

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race in unix socket mediation when peerpath is used The holding a reference to the peersk is not enough to ensure access to the peer sk path. Accessing the path outside of the state lock allows for a race with...

CVE-2026-74268

In the Linux kernel, the following vulnerability has been resolved: tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in tcpv4synrecvsock / tcpv6synrecvsock, the child is freed through...

UBUNTU-CVE-2026-74385

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check return value of nvmettcpsetqueuesock The return value of nvmettcpsetqueuesock is currently ignored in nvmettcptlshandshakedone. If it fails e.g., due to the socket not being in TCPESTABLISHED state, the socket...

CVE-2026-72124

In the Linux kernel, the following vulnerability has been resolved: can: isotp: serialize TX state transitions under so-rxlock The TX state machine so-tx.state is driven from three contexts: sendmsg claiming and progressing a transfer, the RX path consuming Flow Control/echo frames, and two...

CVE-2026-72122

In the Linux kernel, the following vulnerability has been resolved: can: bcm: fix lockless bound/ifindex race and silent RXSETUP failure bcmsendmsg reads bo-ifindex and checks bo-bound before taking locksock, while bcmnotify, bcmconnect and bcmrelease all mutate both fields under that same lock...

CVE-2026-72125

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix use-after-free race with concurrent NETDEVUNREGISTER isotprelease looked up the bound network device via devgetbyindex using the stored ifindex. During device unregistration the device is unlisted from the ifindex...

CVE-2026-74439

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down scalable-mode context entry devicepasidtableteardown zeroes the 128-bit scalable-mode context entry with contextclearentry while the Present bit is still set. This creates a windo...

CVE-2026-74438

In the Linux kernel, the following vulnerability has been resolved: crypto: sun4i-ss - Remove insecure and unused rngalg Remove sun4issrng, as it is insecure and unused: - It has multiple vulnerabilities. sun4issprngseed is missing locking and has a buffer overflow. sun4issprnggenerate fails to...

CVE-2026-74437

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix deadlock if uvcstatusstop is called from asyncctrl.work If a UVC camera has an asynchronous control, uvcstatusstop may be called from asyncctrl.work: uvcctrlstatuseventwork uvcctrlstatusevent uvcctrlclearhand...

CVE-2026-74436 rxrpc: serialize kernel accept preallocation with socket teardown

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

CVE-2026-74436 rxrpc: serialize kernel accept preallocation with socket teardown

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

EUVD-2026-59583

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

CVE-2026-74436

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...

CVE-2026-74436

CVE-2026-74436 affects the Linux kernel rxrpc subsystem. The issue arises when rxrpc_kernel_charge_accept() reads rx->backlog without proper socket/backlog synchronization, passing a raw pointer into rxrpc_service_prealloc_one() while a concurrent rxrpc_discard_prealloc() may set rx->backlo...

CVE-2026-74436

In the Linux kernel, the following vulnerability has been resolved: rxrpc: serialize kernel accept preallocation with socket teardown rxrpckernelchargeaccept reads rx-backlog without any socket/backlog synchronization and passes that raw pointer into rxrpcservicepreallocone. A concurrent...