Linux Kernel Dirty COW PTRACE_POKEDATA Privilege Escalation

// $ echo pikachu|sudo tee pokeball;ls -l pokeball;gcc -pthread pokemon.c -o d;./d pokeball miltank;cat pokeball include //// pikachu include //// -rw-r--r-- 1 root root 8 Apr 4 12:34 pokeball include //// pokeball include //// include //// o o/ include //// @@ \ include //// \ , /miltank include...

DirtyCow Linux Kernel Race Condition Exploit

Exploit for linux platform in category local exploits / dirtyc0w.c $ sudo -s echo this is not a test foo chmod 0404 foo $ ls -lah foo -r-----r-- 1 root root 19 Oct 20 15:23 foo $ cat foo this is not a test $ gcc -lpthread dirtyc0w.c -o dirtyc0w $ ./dirtyc0w foo m00000000000000000 mmap 56123000...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Linux kernel competitive conditions vulnerability

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. A competitive condition vulnerability exists in the Advanced Union Filesystem aufs aufs3-mmap.patch and aufs4-mmap.patch patches for Linux kernel versions 3.x and 4.x. The...

CVE-2015-7312

Multiple race conditions in the Advanced Union Filesystem aufs aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service use-after-free and BUG or possibly gain privileges via a 1 madvise or 2 msync system call, related to...

DEBIAN-CVE-2015-7312

Multiple race conditions in the Advanced Union Filesystem aufs aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service use-after-free and BUG or possibly gain privileges via a 1 madvise or 2 msync system call, related to...

Race condition

Multiple race conditions in the Advanced Union Filesystem aufs aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service use-after-free and BUG or possibly gain privileges via a 1 madvise or 2 msync system call, related to...

CVE-2015-7312

CVE-2015-7312 affects the Linux kernel 3.x/4.x via race conditions in the aufs aufs3-mmap.patch and aufs4-mmap.patch patches. The vulnerability allows local users to cause denial of service (use-after-free/BUG) or potentially gain privileges through madvise or msync calls, related to mm/madvise.c...

UBUNTU-CVE-2015-7312

Multiple race conditions in the Advanced Union Filesystem aufs aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service use-after-free and BUG or possibly gain privileges via a 1 madvise or 2 msync system call, related to...

CVE-2015-7312

Multiple race conditions in the Advanced Union Filesystem aufs aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service use-after-free and BUG or possibly gain privileges via a 1 madvise or 2 msync system call, related to...

Amazon Linux: Security Advisory (ALAS-2012-142)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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 kernel denial of service vulnerability (CNVD-2015-01818)

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. The 'pmdnoneortranshugeorclearbad' function in the include/asm-generic/pgtable.h file of Linux kernel 3.12.9 and earlier on NUMA systems has a security vulnerability. A local...

Important: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, whic...

kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support

A NULL pointer dereference flaw was found in the way the Linux kernel's madvise MADVWILLNEED functionality handled page table locking. A local, unprivileged user could use this flaw to crash the system...

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2015-3014)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2015-3014 advisory. - kvm: fix excessive pages un-pinning in kvmiommumap error path. Quentin Casasnovas Orabug: 20687314 CVE-2014-3601 CVE-2014-8369 CVE-2014-3601 -...

DEBIAN-CVE-2014-8173

The pmdnoneortranshugeorclearbad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory PMD entry is a transparent huge-table entry, which allows local users to cause a denial of service NULL pointer...

UBUNTU-CVE-2014-8173

The pmdnoneortranshugeorclearbad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory PMD entry is a transparent huge-table entry, which allows local users to cause a denial of service NULL pointer...

CVE-2014-8173

The pmdnoneortranshugeorclearbad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory PMD entry is a transparent huge-table entry, which allows local users to cause a denial of service NULL pointer...

CVE-2014-8173

CVE-2014-8173 affects the Linux kernel before 3.13 on NUMA systems. The function pmd_none_or_trans_huge_or_clear_bad in include/asm-generic/pgtable.h fails to correctly identify PMD entries as transparent huge-table entries, allowing a local user to trigger a NULL pointer dereference and system c...

kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support

A NULL pointer dereference flaw was found in the way the Linux kernel's madvise MADVWILLNEED functionality handled page table locking. A local, unprivileged user could use this flaw to crash the system...