Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from calling iomapfiemap within the gfs2fiemap function when the inode glock is held. This can lead to...

PT-2026-37467

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A circular locking dependency exists in the ntfs3 component, specifically within the run unpack ex function. This issue occurs due to an AB-BA deadlock scenario where ntfs extend mft...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel. This vulnerability arises when the ioam6 function sets trace-type.bit6. This can lead to out-of-bounds access on the RX...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a cyclic lock dependency in the rununpackex function within ntfs3, potentially leading to a...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the srcugpstartifneeded function in tiny SRCU directly calling schedulework. This could lead to...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the PCI/IOV driver’s recursive access to the pcirescanremovelock lock when SR-IOV is enabled or...

PT-2026-37555

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the CIFS component where cifs tcp ses lock was used to protect various objects, including tcon fields, instead of using more granular locks. This caused unnecessary...

PT-2026-37579

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the SMB client within the query interfaces function. This occurs when two query interface operations concurrently attempt to update the interfaces. The issue i...

PT-2026-37426

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the netfilter ctnetlink component allows for unsafe access to the master conntrack object. Holding a reference to the expectation is insufficient because the master conntrack...

CVE-2026-43161: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skip dev-iotlb flush for inaccessible PCIe device without scalable mode PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can hard-lock the host when their link drops, either by surprise...

PT-2026-37663

A NULL pointer dereference in mod dav lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod dav lock is not used internally by mod dav or mod dav fs. The only known use-case for mod dav lock was mod dav svn from Apache Subversion...

PT-2026-44260

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A data race exists in the Multipath TCP MPTCP implementation. The mptcp pm add timer helper function, which operates as a timer callback in softirq context, fails to properly hold the...

Linux Distros Unpatched Vulnerability : CVE-2026-43215

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cifs: Fix locking usage for tcon fields We used to use the cifstcpseslock to protect a lot of objects that are not just the server, ses or tcon lists. We later...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper handling of the error handling path in the pcislottrylock function. This issue...

Linux Distros Unpatched Vulnerability : CVE-2026-43111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HID: roccat: fix use-after-free in roccatreportevent roccatreportevent iterates over the device-readers list without holding the readerslock. This allows a...

Linux Distros Unpatched Vulnerability : CVE-2026-43211

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PCI: Fix pcislottrylock error handling Commit a4e772898f8b PCI: Add missing bridge lock to pcibuslock delegates the bridge device's pcidevtrylock to...

Linux Distros Unpatched Vulnerability : CVE-2026-43083

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb %NASLMINLEVEL 80900 C Tenable, Inc...

RHCOS 3 : OpenShift Container Platform 3.11 mediawiki (RHSA-2019:3142)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3142 advisory. - mediawiki: $wgRateLimits rate limit / ping limiter entry for 'user' overrides that for 'newbie' CVE-2018-0503 - mediawiki:...

Linux Distros Unpatched Vulnerability : CVE-2026-43109

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - x86: shadow stacks: proper error handling for mmap lock reports that shstkpopsigframe doesn't check for errors from mmapreadlockkillable, which is a silly...

GHSA-JPQ4-7FMQ-Q5FJ parse-server: MFA SMS one-time password accepted twice under concurrent login

Impact A race condition in the MFA SMS one-time password OTP login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive valid session tokens, breaking the single-use property of the OTP. The vulnerability requires the attacker to already possess the...