Security Bulletin: Vulnerabilities in Apache Tomcat Server library (CVE-2026-41293, CVE-2026-24880) affect Power HMC.

Summary The Apache Tomcat Server library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-41293 DESCRIPTION: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1...

Security Bulletin: IBM Security SOAR is using a component with a known vulnerability (CVE-2026-40895)

Summary IBM Security SOAR uses an older version of the follow-redirects component that may be identified and exploited. Updates for supported versions have been released which address the issue. It is recommended to upgrade to version 51.0.10.1 Vulnerability Details CVEID:CVE-2026-40895...

CVE-2026-53345

In the Linux kernel, the following vulnerability has been resolved: KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying When marking a page dirty, complain about not having a running/loaded vCPU if and only if the VM is still alive, i.e. its refcount is non-zero. This will...

CVE-2026-53341

In the Linux kernel, the following vulnerability has been resolved: fhandle: fix UAF due to unlocked -mntns read in maydecodefh maydecodefh accesses mount::mntns without holding any locks; that means the mount can concurrently be unmounted, and the mntnamespace can concurrently be freed after an...

UBUNTU-CVE-2026-53347

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix driver removal with disabled KMS DRM atomic and modesetting aren't initialized if virtio-gpu driver built with disabled KMS, leading to access of uninitialized data on driver removal/unbinding and crashing kernel...

UBUNTU-CVE-2026-53337

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix NULL pointer dereference in bonddoioctl In bonddoioctl, slavedev is obtained via devgetbyname which can return NULL if the requested interface name does not exist. However, the subsequent slavedbg call is placed...

CVE-2026-53355

In the Linux kernel, the following vulnerability has been resolved: net: rds: clear isends on setup unwind The RDS IB connection teardown path is written so it can run during partial startup and on repeated shutdown attempts. It uses NULL pointers to distinguish resources that are still owned fro...

CVE-2026-53328

In the Linux kernel, the following vulnerability has been resolved: schedext: Don't warn on NULL cgrpmovingfrom in scxcgroupmovetask A WARN fires when systemd's user manager writes "+cpu +memory +pids" to its own subtreecontrol while a schedext scheduler is loaded: WARNING: at...

UBUNTU-CVE-2026-53336

In the Linux kernel, the following vulnerability has been resolved: nvmem: layouts: onie-tlv: fix hang on unknown types The EEPROM on my board has a vendor specific entry of type 0x41. When stumbling upon that, this driver hangs in an endless loop. Fix it by keep incrementing the offset on unknow...

Security Bulletin: Vulnerability in nghttp2 library (CVE-2026-27135) affects Power HMC.

Summary The nghttp2 library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2026-27135 DESCRIPTION: nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library...

Security Bulletin: Vulnerabilities in kernel library (CVE-2025-68724, CVE-2026-31431) affect Power HMC.

Summary The kernel library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2025-68724 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetrickeys - prevent overflow in...

CVE-2026-53356 drm/i915/gem: Fix phys BO pread/pwrite with offset

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix phys BO pread/pwrite with offset sgpage returns struct page pointer not void so the scaling of pread/pwrite is wrong for phys BO and wrong parts of BO would be accessed if non-zero offset is used. Last impacted...

CVE-2026-53355

CVE-2026-53355 is a Linux kernel issue in the RDS teardown path (i_sends) that could interact with partial startup/shutdown states. Connected sources confirm concrete fixes across distributions: Root’s OS variants (Ubuntu 24.04 and others) list Root:Ubuntu patches for Root:Ubuntu-2404 and related...

CVE-2026-53352

In the Linux kernel, the following vulnerability has been resolved: signal: clear JOBCTLPENDINGMASK for caller in zapotherthreads When a multi-threaded process receives a stop signal e.g., SIGSTOP, dosignalstop sets JOBCTLSTOPPENDING and JOBCTLSTOPCONSUME on all threads and sets...

EUVD-2026-40979

In the Linux kernel, the following vulnerability has been resolved: KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying When marking a page dirty, complain about not having a running/loaded vCPU if and only if the VM is still alive, i.e. its refcount is non-zero. This will...

CVE-2026-53342 arm64: mm: call pagetable dtor when freeing hot-removed page tables

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...

CVE-2026-53337

CVE-2026-53337 affects the Linux kernel bonding code. In bond_do_ioctl(), slave_dev is obtained via __dev_get_by_name() and may be NULL, yet slave_dbg(bond_dev, slave_dev, …) dereferences slave_dev->name before the NULL check, causing a NULL pointer dereference and a potential local DoS when a...

CVE-2026-53336 nvmem: layouts: onie-tlv: fix hang on unknown types

In the Linux kernel, the following vulnerability has been resolved: nvmem: layouts: onie-tlv: fix hang on unknown types The EEPROM on my board has a vendor specific entry of type 0x41. When stumbling upon that, this driver hangs in an endless loop. Fix it by keep incrementing the offset on unknow...

CVE-2026-53336 nvmem: layouts: onie-tlv: fix hang on unknown types

In the Linux kernel, the following vulnerability has been resolved: nvmem: layouts: onie-tlv: fix hang on unknown types The EEPROM on my board has a vendor specific entry of type 0x41. When stumbling upon that, this driver hangs in an endless loop. Fix it by keep incrementing the offset on unknow...

CVE-2026-53332 slimbus: qcom-ngd-ctrl: Register callbacks after creating the ngd

In the Linux kernel, the following vulnerability has been resolved: slimbus: qcom-ngd-ctrl: Register callbacks after creating the ngd When the remoteproc starts in parallel with the NGD driver being probed, or the remoteproc is already up when the PDR lookup is being registered, or in the...