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 zero-division error in the rtscmin function of the schhfsc module, potentially leading to a...

Linux Distros Unpatched Vulnerability : CVE-2026-31425

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rds: ib: reject FRMR registration before IB connection is established rdsibgetmr extracts the rdsibconnection from conn-ctransportdata and passes it to...

RockyLinux 8 : kernel (RLSA-2026:6571)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:6571 advisory. kernel: nouveau: fix instmem race condition around ptr stores CVE-2024-26984 kernel: scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecoun...

CVE-2026-31412

A flaw was found in the Linux kernel's USB mass storage gadget module usb-gadget-fmassstorage. A remote attacker, acting as a malicious USB host, could send a specially crafted SCSI READ or WRITE command. This action could trigger an integer overflow during data size calculation, leading to an...

Ubuntu: Security Advisory (USN-8148-5)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux osdmap_apply_incremental Heap Buffer Overflow DoS

The vulnerability of the osdmapapplyincremental function in the net/ceph/osdmap.c module of the Linux kernel is related to an uncontrolled, exploitable condition. Exploiting this vulnerability could allow a remote attacker to compromise the integrity of protected information or cause service...

Linux ARM64 KVM Heap Buffer Overflow DoS

The vulnerability of the usermemabort function in the arch/arm64/kvm/mmu.c module of the virtualization subsystem on the ARM 64-bit kernel of the Linux operating system is related to improper initialization. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the hugetlbfsparseparam function in the fs/hugetlbfs/inode.c file of the Linux kernel file system is related to the pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-31411 net: atm: fix crash due to unvalidated vcc pointer in sigd_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix crash due to unvalidated vcc pointer in sigdsend Reproducer available at 1. The ATM send path sendmsg - vccsendmsg - sigdsend reads the vcc pointer from msg-vcc and uses it directly without any validation. This...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

ROS-20260408-73-0001

A vulnerability in the net/vmwvsock/virtiotransport.c component of the Linux operating system kernel is related to writing beyond buffer boundaries. Exploitation of the vulnerability allows an attacker to cause a denial of service...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006795)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006795 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: fix potential memory leak in vfiointxenable If vfioirqctxalloc failed will lead to 'nam...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006645)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006645 advisory. In the Linux kernel, the following vulnerability has been resolved: rds: sysctl: rdstcprcv,sndbuf: avoid using current-nsproxy As mentioned in a previous commit of...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006763)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006763 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/buffer: fix use-after-free when call bhread helper There's issue as follows: BUG: KASAN:...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006736)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006736 advisory. In the Linux kernel, the following vulnerability has been resolved: kobject: Add sanity check for kset-kobj.ktype in ksetregister When I register a kset in the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006621)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006621 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpecnfallback. While reading sysctltcpecnfallback, it can be...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006771)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006771 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: s390/aes - Fix buffer overread in CTR mode When processing the last block, the s390 ctr...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006679)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006679 advisory. In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix leak of rcvhdrtaildummykvaddr This buffer is currently allocated in hfi1init: if...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006697)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006697 advisory. In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC with ops-opnum == OPILLEGAL OPDESC simply indexes into nfsd4ops by the...