ALSA-2025:23241 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 kernel: iommufd: Fix race during abort for file descriptors CVE-2025-39966 kernel: tls: wait for...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 kernel: iommufd: Fix race during abort for file descriptors CVE-2025-39966 kernel: tls: wait for...

CVE-2023-53795

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increase the refcount syzkaller found a race where IOMMUFDDESTROY increments the refcount: obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj;...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...

EUVD-2023-60111

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increase the refcount syzkaller found a race where IOMMUFDDESTROY increments the refcount: obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj;...

DEBIAN-CVE-2023-53795

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increase the refcount syzkaller found a race where IOMMUFDDESTROY increments the refcount: obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj;...

CVE-2023-53795 iommufd: IOMMUFD_DESTROY should not increase the refcount

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increase the refcount syzkaller found a race where IOMMUFDDESTROY increments the refcount: obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj;...

RHEL 9 : kernel (RHSA-2025:22802)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:22802 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: iommufd: Fix race during abort for fil...

CVE-2023-53795: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increase the refcount syzkaller found a race where IOMMUFDDESTROY increments the refcount: obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj;...

PT-2025-49655

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc1-syzkaller Description The Linux kernel contained a flaw in the iommufd subsystem where IOMMUFD DESTROY incorrectly increased the reference count. This created a race condition when combined with iommufd...

EUVD-2025-201651

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

DEBIAN-CVE-2025-40293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

CVE-2025-40293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

UBUNTU-CVE-2025-40293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

CVE-2025-40293

CVE-2025-40293 : Linux kernel iommufd had a division-by-zero risk when calculating dirty-tracking bitmap indices if pgshift == 63, caused by an overflow in computing BITS_PER_TYPE(*bitmap->bitmap) * pgsize. The fix reorganizes the division to divide by shift instead of overflowing, preventing ...

CVE-2025-40293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

CVE-2025-40293 iommufd: Don't overflow during division for dirty tracking

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

CVE-2025-40293 iommufd: Don't overflow during division for dirty tracking

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...

Linux Distros Unpatched Vulnerability : CVE-2025-40293

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by ...

CVE-2025-40293: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iommufd: Don't overflow during division for dirty tracking If pgshift is 63 then BITSPERTYPEbitmap-bitmap pgsize will overflow to 0 and this triggers divide by 0. In this case the index should just be 0, so reorganize things to...