An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap) a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

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DEBIAN-CVE-2022-39188

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition unmapmappingrange versus munmap, a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VMPFNMAP VMAs...

CVE-2022-39188

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition unmapmappingrange versus munmap, a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VMPFNMAP VMAs...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

ROS-2-642

2.642 Vulnerability in firefox browser CVE-2020-6819 and CVE-2020-6820 1. Vulnerability description: Two critical vulnerabilities have been discovered that could lead to the execution of attacker code when processing specially formatted content. It is warned that facts of using these...

ROS-2-1224

2.1224 Vulnerability in firefox browser CVE-2020-6819 and CVE-2020-6820 1. Vulnerability description: Two critical vulnerabilities have been discovered that could lead to the execution of attacker code when processing specially formatted content. It is warned that facts of using these...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks

A flaw was found in the Linux kernel’s KVM implementation, where improper handing of the VMIO|VMPFNMAP VMAs in KVM bypasses RO checks and leads to pages being freed while still accessible by the VMM and guest. This flaw allows users who can start and control a VM to read/write random pages of...

EulerOS 2.0 SP3 : squid (EulerOS-SA-2021-1852)

According to the versions of the squid packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when...

kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

A flaw was found in the Linux kernel where the coredump implementation does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs. This allows local users to obtain sensitive information, cause a denial of service DoS, or possibly have unspecified other impa...

Debian DSA-3705-1 : curl - security update

Several vulnerabilities were discovered in cURL, an URL transfer library : - CVE-2016-8615 It was discovered that a malicious HTTP server could inject new cookies for arbitrary domains into a cookie jar. - CVE-2016-8616 It was discovered that when re-using a connection, curl was doing case...

Critical: Red Hat Security Advisory: glibc security and bug fix update

Updated glibc packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

Fedora 20 : libssh2-1.5.0-1.fc20 (2015-3791)

This update, to the current upstream release version, contains numerous bug fixes and enhancements as described in the RELEASE-NOTES file. These include a security fix for CVE-2015-1782 : A malicious attacker could man in the middle a real server and cause libssh2-using clients to crash denial of...

Mandriva Linux Security Advisory : libssh2 (MDVSA-2015:148-1)

Updated libssh2 packages fix security vulnerability : Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was reading and using the SSHMSGKEXINIT packet without doing sufficient range checks when negotiating a new SSH session with a remote server. A malicious attacker could man in t...

Debian DLA-171-1 : libssh2 security update

Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was reading and using the SSHMSGKEXINIT packet without doing sufficient range checks when negotiating a new SSH session with a remote server. A malicious attacker could man in the middle a real server and cause a client using the...

Fedora 22 : libssh2-1.5.0-1.fc22 (2015-3757)

This update, to the current upstream release version, contains numerous bug fixes and enhancements as described in the RELEASE-NOTES file. These include a security fix for CVE-2015-1782 : A malicious attacker could man in the middle a real server and cause libssh2-using clients to crash denial of...

[SECURITY] [DSA 3182-1] libssh2 security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3182-1 [email protected] http://www.debian.org/security/ Salvatore Bonaccorso March 11, 2015 http://www.debian.org/security/faq -...

[SECURITY] [DLA 171-1] libssh2 security update

Package : libssh2 Version : 1.2.6-1+deb6u1 CVE ID : CVE-2015-1782 Debian Bug : 780249 Mariusz Ziulek reported that libssh2, a SSH2 client-side library, was reading and using the SSHMSGKEXINIT packet without doing sufficient range checks when negotiating a new SSH session with a remote server. A...