CVE-2025-40216 io_uring/rsrc: don't rely on user vaddr alignment

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: don't rely on user vaddr alignment There is no guaranteed alignment for user pointers, however the calculation of an offset of the first page into a folio after coalescing uses some weird bit mask logic, get rid of ...

CVE-2025-40216 io_uring/rsrc: don't rely on user vaddr alignment

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: don't rely on user vaddr alignment There is no guaranteed alignment for user pointers, however the calculation of an offset of the first page into a folio after coalescing uses some weird bit mask logic, get rid of ...

PT-2025-49027

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the io uring/rsrc subsystem. The problem arises because the system does not guarantee alignment for user pointers. Specifically, the calculation...

RockyLinux 10 : kernel (RLSA-2025:20095)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:20095 advisory. kernel: xen: Xen hypercall page unsafe against speculative attacks Xen Security Advisory 466 CVE-2024-53241 kernel: exfat: fix out-of-bounds access of...

RLSA-2025:20095 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: Xen hypercall page unsafe against speculative attacks Xen Security Advisory 466 CVE-2024-53241 kernel: exfat: fix out-of-bounds access of directory entries CVE-2024-53147 kernel: zra...

Oracle Linux 9 : ELSA-2025-20518-0: / kernel (ELSA-2025-205180)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-205180 advisory. - iouring/futex: ensure iofutexwait cleans up properly on failure CKI Backport Bot RHEL-114336 CVE-2025-39698 - NFS: Fix filehandle bounds checking i...

AlmaLinux 10 : kernel (ALSA-2025:20095)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:20095 advisory. kernel: xen: Xen hypercall page unsafe against speculative attacks Xen Security Advisory 466 CVE-2024-53241 kernel: exfat: fix out-of-bounds access of...

kernel: io_uring/waitid: always prune wait queue entry in io_waitid_wait()

A flaw use after free in the Linux kernel IOURING subsystem was found in the way local user uses iouring interface using IORINGOPWAITID. A local user could use this flaw to crash the system or potentially escalate their privileges on the system...

RHEL 9 : kernel (RHSA-2025:21933)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21933 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: e1000e: fix heap overflow in...

AlmaLinux 9 : kernel (ALSA-2025:20518)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:20518 advisory. kernel: can: isotp: fix potential CAN frame reception race in isotprcv CVE-2022-48830 kernel: soc: qcom: cmd-db: Map shared memory as WC, not WB...

kernel: io_uring/waitid: always prune wait queue entry in io_waitid_wait()

A flaw use after free in the Linux kernel IOURING subsystem was found in the way local user uses iouring interface using IORINGOPWAITID. A local user could use this flaw to crash the system or potentially escalate their privileges on the system...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 9 : kernel (RHSA-2025:21469)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21469 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: x86/hyper-v: Skip...

SUSE SLES15 Security Update : kernel (Live Patch 0 for SLE 15 SP7) (SUSE-SU-2025:4056-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4056-1 advisory. This update for the Linux Kernel 6.4.0-15070051 fixes several issues. The following security issues were fixed: - CVE-2025-38664: ice: Fix a nu...

Siemens SIMATIC S7-1500 Improper Input Validation (CVE-2023-46862)

An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an iouring/fdinfo.c iouringshowfdinfo NULL pointer dereference can occur. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

RHEL 9 : kernel (RHSA-2025:20518)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:20518 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: isotp: fix potential CAN...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990849)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990849 advisory. In the Linux kernel, the following vulnerability has been resolved: iouring/rw: fix missing NOWAIT check for ODIRECT start write When iouring starts a write, it'll...

SUSE-SU-2025:4056-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-15070051 fixes several issues. The following security issues were fixed: - CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. - CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. - CVE-2025-38617: net/packe...

kernel: io_uring: check if iowq is killed before queuing

In the Linux kernel, the following vulnerability has been resolved: iouring: check if iowq is killed before queuing task work can be executed after the task has gone through iouring termination, whether it's the final taskwork run or the fallback path. In this case, task work will find -iowq bein...

kernel: io_uring: check if we need to reschedule during overflow flush

In the Linux kernel, the following vulnerability has been resolved: iouring: check if we need to reschedule during overflow flush In terms of normal application usage, this list will always be empty. And if an application does overflow a bit, it'll have a few entries. However, nothing obviously...