kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning

A flaw was found in the x86 KVM subsystem in kvmstealtimesetpreempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations...

Oracle Linux 9 : kernel (ELSA-2023-2458)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-2458 advisory. - A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function inet6streamops/inet6dgramops of...

kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry

A flaw was found in include/asm-generic/tlb.h in the Linux kernel due to a race condition unmapmappingrange versus munmap. This issue allows a device driver to free a page while it still has stale TLB entries...

CLSA-2023-1682604577 Fix of 53 CVEs

CVE-2022-1198 - drivers: hamradio: 6pack: fix UAF bug caused by modtimer Bionic update: upstream stable patchset 2022-03-04 LP: 1963717 // CVE-2020-36516 - ipv4: avoid using shared IP generator for connected sockets CVE-2022-36879 - xfrm: xfrmpolicy: fix a possible double xfrmpolsput in...

CBL Mariner 2.0 Security Update: kernel (CVE-2022-39188)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2022-39188 advisory. - An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race...

Ubuntu 22.04 LTS : Linux kernel (Intel IoTG) vulnerabilities (USN-5962-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5962-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu 22.10 : Linux kernel (KVM) vulnerabilities (USN-5950-1)

The remote Ubuntu 22.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5950-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu: Security Advisory (USN-5950-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

RHEL 8 : kpatch-patch (RHSA-2023:1192)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1192 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

Ubuntu 18.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-5940-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5940-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu 22.04 LTS : Linux kernel (KVM) vulnerabilities (USN-5941-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5941-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

USN-5941-1: Linux kernel (KVM) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

Ubuntu 18.04 LTS : Linux kernel (GCP) vulnerabilities (USN-5939-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5939-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

USN-5935-1: Linux kernel vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

Ubuntu 20.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-5934-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5934-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5912-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5912-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state i...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-5911-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5911-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5917-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5917-1 advisory. It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state i...

K93960557: Linux kernel vulnerability CVE-2018-5953

Security Advisory Description The swiotlbprintinfo function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "software IO TLB" printk call. CVE-2018-5953 Impact There is no impact; F5 products are not...

K36462841: Linux kernel vulnerability CVE-2018-18281

Security Advisory Description Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a task that is in the middle of mremap, a stale TLB entry can remain for a short time that...