143 matches found
CVE-2022-23033
arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...
CVE-2021-4002
A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data...
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...
SUSE SLED12: xen / xen-devel / xen-doc-html / xen-libs / xen-libs-32bit / etc (SUSE-SU-2021:3181-1)
The remote SUSE Linux SLED12 / SLES12 / SLESSAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:3181-1 advisory. - CVE-2021-28701: Fixed race condition in XENMAPSPACEgranttable handling XSA-384 bsc1189632. - Upstream bug fixes bsc1027519 Tenabl...
SUSE SLED15: xen / xen-devel / xen-libs / xen-tools / xen-tools-domU / etc (SUSE-SU-2021:3141-1)
The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:3141-1 advisory. - CVE-2021-28701: Fixed race condition in XENMAPSPACEgranttable handling XSA-384 bsc1189632. - Upstream bug fixes bsc1027519 Tenable has...
openSUSE 15 Security Update : xen (openSUSE-SU-2021:3140-1)
The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:3140-1 advisory. - Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain...
ALPINE-CVE-2021-28701
Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...
DEBIAN-CVE-2021-28701
Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...
CVE-2021-28701
Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...
Race condition
Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...
CVE-2021-28701
Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...
CVE-2021-28701
Another race in XENMAPSPACEgranttable handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches back from v2...
Xen 竞争条件问题漏洞
Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in Xen where...
ALPINE-CVE-2021-28697
grant table v2 status pages may remain accessible after de-allocation Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated when a guest...
Design/Logic Flaw
grant table v2 status pages may remain accessible after de-allocation Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated when a guest...
KVM 缓冲区错误漏洞
KVM is a kernel-based virtual machine. A buffer error vulnerability exists in Linux KVM that allows a user to be able to boot and control the VM to read and write random memory pages and could lead to a local privilege escalation...
Xen Resource Management Error Vulnerability
Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in Xen versi...
Remote Memory Disclosure in bittorrent-dht
Versions of bittorrent-dht prior to 5.1.3 are affected by a remote memory disclosure vulnerability. This vulnerability allows an attacker to send a specific series of of messages to a listening peer and get it to reveal internal memory. There are two mitigating factors here, that slightly reduce...
Denial Of Service (DoS)
kernel-rt is vulnerable to Denial of Service DoS. The attack exists because it uses unsafe sprintf in the Bluetooth implementation, creating a large number of Bluetooth L2CAP, SCO, or RFCOMM sockets could result in arbitrary memory pages being overwritten, allowing a local, unprivileged user to...