CVE-2026-64108 cifs: Fix busy dentry used after unmounting

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix busy dentry used after unmounting Since commit 340cea84f691c "cifs: open files should not hold ref on superblock", cifs file only holds the dentry refcnt, the cifs file close workcfile-deferred could be executed after...

CVE-2026-64108

The CVE-2026-64108 entry documents a Linux kernel CIFS issue where a cifs file close work (cfile->deferred) could run after unmount, leaving a dentry still in use during shutdown. Root cause: after dentry ref counting changes, the deferred close may execute post-unmount, triggering a warning i...

CVE-2026-11352 QUIC zero-length UDP datagrams busy-loop

An issue in curl’s QUIC UDP receive function allows a malicious HTTP/3 server to trigger a remote denial of service against a curl or libcurl client. Because the helper function discards zero-length UDP datagrams before counting them toward the per-call packet budget, a connected QUIC peer can...

SUSE CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

DEBIAN-CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

UBUNTU-CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-53321

CVE-2026-53321 affects the Linux kernel io_uring/napi busy polling, where there was no cap on the maximum polling time when no events are found. The root cause is an unbounded busy_poll loop that can cause a task to be stuck, potentially leading to DoS-like unresponsiveness. Several connected sou...

CVE-2026-53321 io_uring/napi: cap busy_poll_to 10 msec

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

EUVD-2026-39856

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: iouring/napi: cap busypollto 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional...

CVE-2026-10642 Unbounded TX busy-loop DoS in Zephyr PL011 UART driver under CTS hardware flow control

The Zephyr PL011 UART driver drivers/serial/uartpl011.c contains an unbounded software loop in pl011irqtxenable that repeatedly invokes the interrupt-driven application callback while the TX interrupt mask bit PL011IMSCTXIM is set, to work around the controller's level-transition TX-interrupt...

CVE-2026-54904

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::AtomicReferenceupdate can enter a permanent busy retry loop when the current value is Float::NAN. The issue is caused by the interaction between AtomicReferenceupdate, which retries until compareandsetoldvalue,...

CVE-2026-53107

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: don't kill URBs in interrupt context Serialization for the TX path was enforced by calling usbkillurb/usbkillanchoredurbs, to prevent transmission before a previous URB was completed. usbtxblock can be called from...

CVE-2026-53107

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: don't kill URBs in interrupt context Serialization for the TX path was enforced by calling usbkillurb/usbkillanchoredurbs, to prevent transmission before a previous URB was completed. usbtxblock can be called from...

CVE-2026-53067

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-ep-msi: Fix error unwind and prevent double alloc pciepfallocdoorbell stores the allocated doorbell message array in epf-dbmsg/epf-numdb before requesting MSI vectors. If MSI allocation fails, the array is free...

CVE-2026-53107 wifi: libertas: don't kill URBs in interrupt context

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: don't kill URBs in interrupt context Serialization for the TX path was enforced by calling usbkillurb/usbkillanchoredurbs, to prevent transmission before a previous URB was completed. usbtxblock can be called from...

EUVD-2026-38975

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: don't kill URBs in interrupt context Serialization for the TX path was enforced by calling usbkillurb/usbkillanchoredurbs, to prevent transmission before a previous URB was completed. usbtxblock can be called from...

CVE-2026-53107 wifi: libertas: don't kill URBs in interrupt context

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: don't kill URBs in interrupt context Serialization for the TX path was enforced by calling usbkillurb/usbkillanchoredurbs, to prevent transmission before a previous URB was completed. usbtxblock can be called from...