CVE-2026-46272

In the Linux kernel, the following vulnerability has been resolved: coresight: tmc-etr: Fix race condition between sysfs and perf mode When trying to run perf and sysfs mode simultaneously, the WARNON in tmcetrenablehw is triggered sometimes: WARNING: CPU: 42 PID: 3911571 at...

CVE-2026-46272

In the Linux kernel, the following vulnerability has been resolved: coresight: tmc-etr: Fix race condition between sysfs and perf mode When trying to run perf and sysfs mode simultaneously, the WARNON in tmcetrenablehw is triggered sometimes: WARNING: CPU: 42 PID: 3911571 at...

CVE-2026-46272

The CVE-2026-46272 issue is a race in the Linux kernel CoreSight TMC ETR driver that occurs when sysfs and perf modes are enabled concurrently. A WARN_ON in tmc_etr_enable_hw() can trigger due to a race between the two critical regions (sysfs buffer allocation vs. hardware enablement). The fix ad...

PT-2026-46035

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Coresight TMC-ETR component of the Linux kernel when sysfs and perf modes are operated simultaneously. The issue occurs because the enablement of sysfs mod...

Linux Distros Unpatched Vulnerability : CVE-2026-46272

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - coresight: tmc-etr: Fix race condition between sysfs and perf mode When trying to run perf and sysfs mode simultaneously, the WARNON in tmcetrenablehw is...

SUSE CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-45942

Summary of CVE-2026-45942 : A race condition in the Linux kernel ext4 bitmap handling enables inconsistent bitmap reporting due to concurrent page migration and bitmap modification in the load_buddy path. The root cause is that the fast load_buddy path only increments the folio refcount and can o...

PT-2026-43809

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the ext4 file system between page migration and bitmap modification during mixed huge-page workloads. The issue occurs because the fast path of the load buddy...

SUSE CVE-2026-43288

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

CVE-2026-43288

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

UBUNTU-CVE-2026-43288

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

CVE-2026-43288

Summary: CVE-2026-43288 relates to the Linux kernel ext4 filesystem. The root cause is a per-CPU counter accessed before it is initialized during block bitmap validation, which can cause a kernel panic and potential DoS when mounting a specially crafted ext4 filesystem with quota/project options....

CVE-2026-43288

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

CVE-2026-43288 ext4: move ext4_percpu_param_init() before ext4_mb_init()

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

PT-2026-38930

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A panic occurs in the ext4 file system when the DOUBLE CHECK macro is defined. During the execution of mb group bb bitmap alloc, the system reads and validates the block bitmap. If...

The vulnerability of the double-check function in the web interface of the microprogramming software for digital optical network systems Infinera G42, which allows a intruder to trigger a service failure.

The vulnerability of the double-check function in the web interface of the microprogramming software for digital optical network systems Infinera G42 is related to deficiencies in access control. Exploiting this vulnerability could allow a malicious actor to cause service failures...

QR codes are relevant again for everyone from diners to threat actors

Welcome to this weeks edition of the Threat Source newsletter. Although we can probably largely consider the COVID-19 pandemic "over," many relics from the peak of lockdown and concerns over the virus are still around in mid-2023. Its still impossible to get a doctors appointment quickly, but man...