CVE-2018-18281

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 permits access to a physical pag...

CVE-2018-18281

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 permits access to a physical pag...

CVE-2018-18281: Incomplete Cleanup

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 permits access to a physical pag...

UBUNTU-CVE-2018-18281

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 permits access to a physical pag...

Linux mremap() TLB Flush Too Late

Linux: mremap TLB flush too late with concurrent ftruncate CVE-2018-18281 Tested on the master branch 4.19.0-rc7+. sysmremap takes current-mm-mmapsem for writing, then calls mremapto-movevma-movepagetables. movepagetables first calls moveptes which takes PTE locks, moves PTEs, and drops PTE locks...

PT-2018-2961

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.9.135 Linux kernel versions prior to 4.14.78 Linux kernel versions prior to 4.18.16 Linux kernel versions prior to 4.19 Description The issue arises from the mremap syscall in the Linux kernel, which can lead t...

PT-2021-7362

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. The issue occurs while handling a "PVRDMA CMD CREATE MR" command due to improper memory remapping mremap. This fl...

CVE-2008-6107

The 1 sys32mremap function in arch/sparc64/kernel/syssparc32.c, the 2 sparcmmapcheck function in arch/sparc/kernel/syssparc.c, and the 3 sparc64mmapcheck function in arch/sparc64/kernel/syssparc.c, in the Linux kernel before 2.6.25.4, omit some virtual-address range aka span checks when the mrema...

Linux Kernel 2.4.22 "do_brk()" local Root Exploit (PoC)

No description provided by source. ; Christophe Devine devine at cr0.net and Julien Tinnes julien at cr0.org ; ; This exploit uses sysbrk directly to expand his break and doesn't rely ; on the ELF loader to do it. ; ; To bypass a check in sysbrk against available memory, we use a high ; virtual...

Linux Kernel <= 2.4.23, <= 2.6.0 - "do_mremap" Local Proof of Concept

No description provided by source. / Proof-of-concept exploit code for domremap Copyright C 2004 Christophe Devine and Julien Tinnes This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software...

Linux Kernel <= 2.4.23, <= 2.6.0 - mremap() Bound Checking Root Exploit

No description provided by source. / Linux kernel mremap bound checking bug exploit. Bug found by Paul Starzetz paul isec pl Copyright c 2004 iSEC Security Research. All Rights Reserved. THIS PROGRAM IS FOR EDUCATIONAL PURPOSES ONLY IT IS PROVIDED AS IS AND WITHOUT ANY WARRANTY. COPYING, PRINTING...

Linux Kernel <= 2.2.25, <= 2.4.24, <= 2.6.2 - "mremap()" Missing "do_munmap" Exploit

No description provided by source. / mremap missing domunmap return check kernel exploit gcc -O3 -static -fomit-frame-pointer mremappte.c -o mremappte ./mremappte suid shell Vulnerable kernel versions are all = 2.2.25, = 2.4.24 and = 2.6.2 Copyright c 2004 iSEC Security Research. All Rights...

Linux Kernel <= 2.2.25, <= 2.4.24, <= 2.6.2 - "mremap()" Local Proof-of-Concept (2)

No description provided by source. / Proof-of-concept exploit code for domremap 2 Copyright C 2004 Christophe Devine This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either versi...

CVE-2011-2496

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...

Integer overflow

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...

CVE-2011-2496

CVE-2011-2496 affects the Linux kernel prior to 2.6.39. An integer overflow in vma_to_resize (mm/mremap.c) lets local users trigger a BUG_ON and system crash via a crafted mremap call that expands a memory mapping. Mitigation: upgrade to kernel 2.6.39 or later where the issue is fixed. The connec...

CVE-2011-2496

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...

CVE-2011-2496: Undefined Security Weakness

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...

kernel: mm: avoid wrapping vm_pgoff in mremap() and stack expansions

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...

CVE-2011-2496

Integer overflow in the vmatoresize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service BUGON and system crash via a crafted mremap system call that expands a memory mapping...