Linux Distros Unpatched Vulnerability : CVE-2026-64288

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcp...

PT-2026-64639

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix shrinker info teardown race with expansion expand shrinker info iterates all visible memcgs under shrinker mutex, including memcgs that have not finished -css online yet. Once pn-shrinker info has been published...

SUSE CVE-2026-39155

Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denial interval, allowing downstream validating resolvers using aggressive negative caching to...

CVE-2026-64211

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

DEBIAN-CVE-2026-64211

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

EUVD-2026-48619

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

CVE-2026-64211

CVE-2026-64211 affects the Linux kernel SRCU: during CPU state transitions, tree SRCU could queue workqueue callbacks to CPUs that are not online or will never be online (including imaginary CPUs). The issue could cause hangs on s390 due to scheduling workqueue handlers on such CPUs. The referenc...

CVE-2026-64211 srcu: Don't queue workqueue handlers to never-online CPUs

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

OESA-2026-3120 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

OESA-2026-3119 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

CVE-2026-15611

creationtimestamp| type| source ---|---|--- 2026-07-24 02:21:18+00:00| seen| https://bsky.app/profile/securityonline.bsky.social/post/3mrec5kav6v2p...

CVE-2026-56191

Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network...

EUVD-2026-48444

A vulnerability was determined in CodeAstro Online Classroom 1.0. Affected by this issue is some unknown functionality of the file /OnlineClassroom/loginlinkadmin.php. Executing a manipulation of the argument aid can lead to sql injection. The attack can be executed remotely. The exploit has been...

CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability

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CVE-2026-56191

Technical details about CVE-2026-56191 are not provided in the connected documents. Public information here only cites improper authentication and tampering risk for Microsoft Exchange Online. Monitor for updates from official advisories.

EUVD-2026-48458

Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network...

CVE-2026-56191 Microsoft Exchange Online Tampering Vulnerability

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CVE-2026-56191

Improper authentication in Microsoft Exchange Online allows an unauthorized attacker to perform tampering over a network...

PT-2026-64326

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Sleepable Read-Copy Update SRCU mechanism where an srcu struct structure, while transitioning from CPU-0 to all-CPUs state, may attempt to invoke callbacks on CPUs...

PT-2026-64208

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Online affected versions not specified Description Improper authentication allows an unauthorized attacker to perform tampering over a network. Recommendations At the moment, there is no information about a newer version tha...