RLSA-2026:42552 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss CVE-2026-46117 kernel: Bluetooth: l2cap: Add missing chan lock in l2capecredreconfrsp CVE-2026-53071 Bug Fixes and...

RockyLinux 8 : kernel-rt (RLSA-2026:42550)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42550 advisory. kernel: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss CVE-2026-46117 kernel: Bluetooth: l2cap: Add missing chan lock in...

CVE-2026-63878

A flaw was found in the drm/amdgpu component of the Linux kernel. A local attacker can exploit an integer overflow vulnerability by providing an excessively large value for the numentries parameter in the GEMOP GETMAPPINGINFO ioctl. This can lead to an attempt to allocate an extremely large amoun...

SUSE CVE-2026-64131

In the Linux kernel, the following vulnerability has been resolved: mm/memory: fix spurious warning when unmapping device-private/exclusive pages Device private and exclusive entries are only supported for anonymous folios. This condition is tested in migratedevicepages and makedeviceexclusive...

SUSE CVE-2026-64153

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix iommumapsgtable return value check and avoid WARN Commit "iommu: return full error code from iommumapsgatomic" changed iommumapsgtable to return an ssizet and negative values in error cases, rather than a sizet and a...

RHEL 8 : kernel (RHSA-2026:42552)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42552 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: RDMA/mana: Remove user...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss CVE-2026-46117 kernel: Bluetooth: l2cap: Add missing chan lock in l2capecredreconfrsp CVE-2026-53071 Bug Fixes and...

CVE-2026-64206

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: cancel pendingrxwork before taking conn-lock l2capconndel takes conn-lock and then calls cancelworksync for pendingrxwork. processpendingrx takes the same mutex, so teardown can deadlock against the worker it is...

CVE-2026-53373

A flaw was found in the Linux kernel's memory management mm/vma component. When the mmapprepare hook is invoked from an mmap operation, it can attempt to unmap a Virtual Memory Area VMA that is not fully established and already detached. This problematic behavior can lead to a warning in...

GHSA-FPP7-X2X2-2MJF

creationtimestamp| type| source ---|---|--- 2026-07-20 13:00:41+00:00| seen| https://www.cert.at/de/warnungen/2026/7/kritische-sicherheitslucken-in-wordpress-updates-verfugbar 2026-07-21 01:00:54+00:00| seen|...

CVE-2026-64131

In the Linux kernel, the following vulnerability has been resolved: mm/memory: fix spurious warning when unmapping device-private/exclusive pages Device private and exclusive entries are only supported for anonymous folios. This condition is tested in migratedevicepages and makedeviceexclusive...

CVE-2026-64162 idpf: fix read_dev_clk_lock spinlock init in idpf_ptp_init()

In the Linux kernel, the following vulnerability has been resolved: idpf: fix readdevclklock spinlock init in idpfptpinit In idpfptpinit, readdevclklock is initialized after ptpscheduleworker had already been called and after idpfptpsettime64 could reach the lock. The PTP aux worker fires...

EUVD-2026-45847

In the Linux kernel, the following vulnerability has been resolved: idpf: fix readdevclklock spinlock init in idpfptpinit In idpfptpinit, readdevclklock is initialized after ptpscheduleworker had already been called and after idpfptpsettime64 could reach the lock. The PTP aux worker fires...

CVE-2026-64162

In the Linux kernel, the following vulnerability has been resolved: idpf: fix readdevclklock spinlock init in idpfptpinit In idpfptpinit, readdevclklock is initialized after ptpscheduleworker had already been called and after idpfptpsettime64 could reach the lock. The PTP aux worker fires...

CVE-2026-64162

In the Linux kernel, the following vulnerability has been resolved: idpf: fix readdevclklock spinlock init in idpfptpinit In idpfptpinit, readdevclklock is initialized after ptpscheduleworker had already been called and after idpfptpsettime64 could reach the lock. The PTP aux worker fires...

CVE-2026-64153

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix iommumapsgtable return value check and avoid WARN Commit "iommu: return full error code from iommumapsgatomic" changed iommumapsgtable to return an ssizet and negative values in error cases, rather than a sizet and a...

CVE-2026-64131 mm/memory: fix spurious warning when unmapping device-private/exclusive pages

In the Linux kernel, the following vulnerability has been resolved: mm/memory: fix spurious warning when unmapping device-private/exclusive pages Device private and exclusive entries are only supported for anonymous folios. This condition is tested in migratedevicepages and makedeviceexclusive...

CVE-2026-64131 mm/memory: fix spurious warning when unmapping device-private/exclusive pages

In the Linux kernel, the following vulnerability has been resolved: mm/memory: fix spurious warning when unmapping device-private/exclusive pages Device private and exclusive entries are only supported for anonymous folios. This condition is tested in migratedevicepages and makedeviceexclusive...

CVE-2026-64131

In the Linux kernel, the following vulnerability has been resolved: mm/memory: fix spurious warning when unmapping device-private/exclusive pages Device private and exclusive entries are only supported for anonymous folios. This condition is tested in migratedevicepages and makedeviceexclusive...

CVE-2026-63996

In the Linux kernel, the following vulnerability has been resolved: ethtool: cmis: require exact CDB reply length Malicious SFP module could respond with rpllen longer than what cmiscdbprocessreply expected, leading to OOB writes. Malicious HW is a bit theoretical but some modules may just be bug...