USN-8604-1 linux-azure-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

The vulnerability of the io_uring_cmd_timestamp() function in the io_uring/cmd_net.c module of the Linux kernel’s asynchronous input/output interface allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the iouringcmdtimestamp function in the iouring/cmdnet.c module, a component of the Linux kernel’s asynchronous input/output interface, is related to buffer overflows based on stacks. Exploiting this vulnerability could allow a remote attacker to compromise the confidentialit...

The vulnerability of the io_wq_create() function in the io_uring module of the io-wq.c interface, a synchronous input/output interface for the Linux operating system’s kernel, allows a hacker to cause a service failure.

The vulnerability of the iowqcreate function in the iouring module of the Linux kernel’s asynchronous input/output interface relates to improper memory release memory leak. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE-SU-2026:22685-1 Security update for the Linux Kernel (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats bsc1263094....

SUSE-SU-2026:22677-1 Security update for the Linux Kernel (Live Patch 16 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-39.1 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats bsc1263094....

SUSE-SU-2026:22689-1 Security update for the Linux Kernel RT (Live Patch 13 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-37.1 fixes various security issues The following security issues were fixed: - CVE-2025-71089: iommu: disable SVA when CONFIGX86 is set bsc1256615. - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. -...

SUSE-SU-2026:3001-1 Security update for the Linux Kernel (Live Patch 41 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.169 fixes various security issues The following security issues were fixed: - CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmcrelease bsc1264094. - CVE-2026-43366: iouring/kbuf: check if target buffer list is still legac...

Security update for the Linux Kernel (Live Patch 39 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.163 fixes various security issues The following security issues were fixed: CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats...

SUSE-SU-2026:2961-1 Security update for the Linux Kernel (Live Patch 39 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.163 fixes various security issues The following security issues were fixed: - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. - CVE-2026-31505: iavf: fix out-of-bounds writes in iavfgetethtoolstats...

ANT-2026-PVD37V09 · torvalds/linux · Use-After-Free

use-after-free high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-PVD37V09: LPE via iouring io-wq worker pool In iouring's io-wq worker pool, cancelling a hashed bucket-0 work item whose list predecessor is...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-40216: iouring/rsrc: don't rely on user vaddr alignment bsc1259764. CVE-2025-40341: futex: Don't leak robustlist pointer on exec race bsc1255029. CVE-2025-71294:...

The vulnerability of the io_region_allocate_pages() function in the io_uring/memmap.c module, a synchronous I/O interface for the Linux kernel, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ioregionallocatepages function in the iouring/memmap.c module, a component of the Linux kernel’s asynchronous I/O interface, involves the allocation of resources without any restrictions or regulation. Exploiting this vulnerability could allow an attacker to compromise th...

CVE-2026-53321

A flaw was found in the Linux kernel's iouring subsystem, specifically in the Networked Asynchronous Packet Interface NAPI busy polling. This vulnerability allows NAPI to poll indefinitely for events when none are present, which can cause a task to become stuck. This can lead to a Denial of Servi...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-53321

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 ...

The vulnerability of the io_read_mshot_prep() function in the io_uring/rw.c module of the Linux kernel’s asynchronous input/output interface allows a hacker to cause a service failure.

The vulnerability of the ioreadmshotprep function in the iouring/rw.c module of the Linux kernel’s asynchronous I/O interface is related to the distribution of resources without any restrictions or regulation. Exploiting this vulnerability could allow a attacker to cause service failures...

The vulnerability of the io_poll_remove() function in the io_uring/poll.c module of the Linux kernel’s asynchronous I/O interface allows a attacker to cause a service failure.

The vulnerability of the iopollremove function in the iouring/poll.c module of the Linux kernel’s asynchronous I/O interface relates to the lack of checking the return value. Exploiting this vulnerability could allow an attacker to cause a service failure...

io_uring/poll: fix signed comparison in io_poll_get_ownership()

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SUSE SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:2658-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2658-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...

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...