USN-3871-1: Linux kernel vulnerabilities

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

Linux Kernel 4.4 - rtnetlink Stack Memory Disclosure

Linux Kernel 4.4 - rtnetlink Stack Memory Disclosure / Briefs - CVE-2016-4486 has discovered and reported by Kangjie Lu. - This is local exploit against the CVE-2016-4486. Tested version - Distro : Ubuntu 16.04 - Kernel version : 4.4.0-21-generic - Arch : x8664 Prerequisites - None Goal - Leak...

Linux Kernel 4.4 - 'rtnetlink' Stack Memory Disclosure

/ Briefs - CVE-2016-4486 has discovered and reported by Kangjie Lu. - This is local exploit against the CVE-2016-4486. Tested version - Distro : Ubuntu 16.04 - Kernel version : 4.4.0-21-generic - Arch : x8664 Prerequisites - None Goal - Leak kernel stack base address of current process by...

CVE-2018-19650

Local attackers can trigger a stack-based buffer overflow on vulnerable installations of Antiy-AVL ATool security management v1.0.0.22. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists...

PT-2018-15029

Name of the Vulnerable Software and Affected Versions Antiy-AVL ATool security management version 1.0.0.22 Description The issue is caused by a failure to properly validate the length of user-supplied data, resulting in a kernel stack buffer overflow. This occurs within the processing of IOCTL...

Apple iOS - Kernel Stack Memory Disclosure due to Failure to Check copyin Return Value

Apple iOS - Kernel Stack Memory Disclosure due to Failure to Check copyin Return Value Here's a code snippet from sleh.c with the second level exception handler for undefined instruction exceptions: static void handleuncategorizedarmsavedstatet state, booleant instrLen2 exceptiontypet exception =...

Apple iOS - Kernel Stack Memory Disclosure due to Failure to Check copyin Return Value

Here's a code snippet from sleh.c with the second level exception handler for undefined instruction exceptions: static void handleuncategorizedarmsavedstatet state, booleant instrLen2 exceptiontypet exception = EXCBADINSTRUCTION; machexceptiondatatypet codes2 = EXCARMUNDEFINED; machmsgtypenumbert...

Linux Kernel - Pointer Leak via BPF Exploit

Exploit for linux platform in category dos / poc / Commit 82abbf8d2fc46d79611ab58daa7c608df14bb3ee "bpf: do not allow root to mangle valid pointers", first in v4.15 included the following snippet: ========= @@ -2319,43 +2307,29 @@ static int adjustregminmaxvalsstruct bpfverifierenv env, if...

Linux - Kernel Pointer Leak via BPF

Linux - Kernel Pointer Leak via BPF / Commit 82abbf8d2fc46d79611ab58daa7c608df14bb3ee "bpf: do not allow root to mangle valid pointers", first in v4.15 included the following snippet: ========= @@ -2319,43 +2307,29 @@ static int adjustregminmaxvalsstruct bpfverifierenv env, if srcreg-type !=...

Linux - Kernel Pointer Leak via BPF

/ Commit 82abbf8d2fc46d79611ab58daa7c608df14bb3ee "bpf: do not allow root to mangle valid pointers", first in v4.15 included the following snippet: ========= @@ -2319,43 +2307,29 @@ static int adjustregminmaxvalsstruct bpfverifierenv env, if srcreg-type != SCALARVALUE if dstreg-type != SCALARVALU...

CVE-2018-17972

An issue was discovered in the procpidstack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents...

CVE-2018-17972

An issue was discovered in the procpidstack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents...

UBUNTU-CVE-2018-17972

An issue was discovered in the procpidstack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents...

CVE-2018-17972: Concurrent Execution using Shared Resource with Improper Synchronization

An issue was discovered in the procpidstack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents...

CVE-2018-11851

In all android releases Android for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, lack of check on input received to calculate the buffer length can lead to out of bound write to kernel stack...

Design/Logic Flaw

In all android releases Android for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, lack of check on input received to calculate the buffer length can lead to out of bound write to kernel stack...

CVE-2018-11851

In all android releases Android for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, lack of check on input received to calculate the buffer length can lead to out of bound write to kernel stack...

CVE-2018-11851: Out-of-bounds Write

In all android releases Android for MSM, Firefox OS for MSM, QRD Android from CAF using the linux kernel, lack of check on input received to calculate the buffer length can lead to out of bound write to kernel stack...

PT-2018-10852

Name of the Vulnerable Software and Affected Versions Android for MSM affected versions not specified Firefox OS for MSM affected versions not specified QRD Android affected versions not specified Description The issue is related to a lack of check on input received to calculate the buffer length...

PT-2019-14868

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.17 Description The issue is related to the hns roce alloc ucontext function in the Linux kernel, which does not properly initialize the resp data structure. This could potentially allow attackers to obtain...