CVE-2018-12896
Description
An issue was discovered in the Linux kernel through 4.17.3. An Integer Overflow in kernel/time/posix-timers.c in the POSIX timer code is caused by the way the overrun accounting works. Depending on interval and expiry time values, the overrun can be larger than INT_MAX, but the accounting is int based. This basically makes the accounting values, which are visible to user space via timer_getoverrun(2) and siginfo::si_overrun, random. For example, a local user can cause a denial of service (signed integer overflow) via crafted mmap, futex, timer_create, and timer_settime system calls.
Risk Information
Base Score
5.5
MODERATE
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.033
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Linux kernel for Microsoft Azure Cloud systems (USN-3820-3) linux-image-azure_4.15.0.1036.23_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-generic_4.15.0.43.45_i386.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-generic_4.15.0.43.45_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-1026-gcp_4.15.0-1026.27_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-1028-kvm_4.15.0-1028.28_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-1030-oem_4.15.0-1030.35_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-1031-aws_4.15.0-1031.33_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-1036-azure_4.15.0-1036.38_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-43-generic_4.15.0-43.46_i386.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-43-generic_4.15.0-43.46_amd64.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-43-lowlatency_4.15.0-43.46_i386.deb | Linux |
| Linux kernel (USN-3847-1) linux-image-4.15.0-43-lowlatency_4.15.0-43.46_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-aws-hwe_4.15.0.1031.32_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-1026-gcp_4.15.0-1026.27~16.04.1_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-1031-aws_4.15.0-1031.33~16.04.1_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-1036-azure_4.15.0-1036.38~16.04.1_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-43-generic_4.15.0-43.46~16.04.1_i386.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-43-generic_4.15.0-43.46~16.04.1_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-generic-hwe-16.04_4.15.0.43.64_i386.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-generic-hwe-16.04_4.15.0.43.64_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-43-lowlatency_4.15.0-43.46~16.04.1_i386.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-4.15.0-43-lowlatency_4.15.0-43.46~16.04.1_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-lowlatency-hwe-16.04_4.15.0.43.64_i386.deb | Linux |
| Linux kernel for Amazon Web Services (AWS-HWE) systems (USN-3847-2) linux-image-lowlatency-hwe-16.04_4.15.0.43.64_amd64.deb | Linux |
| Linux kernel for Microsoft Azure Cloud systems (USN-3847-3) linux-image-azure_4.15.0.1036.23_amd64.deb | Linux |
| Linux kernel for Microsoft Azure Cloud systems (USN-3847-3) linux-image-4.15.0-1036-azure_4.15.0-1036.38~14.04.2_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-aws_4.4.0.1074.76_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-kvm_4.4.0.1039.38_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-generic_4.4.0.141.147_i386.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-generic_4.4.0.141.147_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-lowlatency_4.4.0.141.147_i386.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-lowlatency_4.4.0.141.147_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-4.4.0-1039-kvm_4.4.0-1039.45_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-4.4.0-1074-aws_4.4.0-1074.84_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-4.4.0-141-generic_4.4.0-141.167_i386.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-4.4.0-141-generic_4.4.0-141.167_amd64.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-4.4.0-141-lowlatency_4.4.0-141.167_i386.deb | Linux |
| Linux kernel (USN-3848-1) linux-image-4.4.0-141-lowlatency_4.4.0-141.167_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS) systems (USN-3848-2) linux-image-aws_4.4.0.1037.37_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS) systems (USN-3848-2) linux-image-4.4.0-1037-aws_4.4.0-1037.40_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS) systems (USN-3848-2) linux-image-4.4.0-141-generic_4.4.0-141.167~14.04.1_i386.deb | Linux |
| Linux kernel for Amazon Web Services (AWS) systems (USN-3848-2) linux-image-4.4.0-141-generic_4.4.0-141.167~14.04.1_amd64.deb | Linux |
| Linux kernel for Amazon Web Services (AWS) systems (USN-3848-2) linux-image-4.4.0-141-lowlatency_4.4.0-141.167~14.04.1_i386.deb | Linux |
| Linux kernel for Amazon Web Services (AWS) systems (USN-3848-2) linux-image-4.4.0-141-lowlatency_4.4.0-141.167~14.04.1_amd64.deb | Linux |
| Linux kernel (USN-3849-1) linux-image-generic_3.13.0.164.174_i386.deb | Linux |
| Linux kernel (USN-3849-1) linux-image-generic_3.13.0.164.174_amd64.deb | Linux |
| Linux kernel (USN-3849-1) linux-image-3.13.0-164-generic_3.13.0-164.214_i386.deb | Linux |
| Linux kernel (USN-3849-1) linux-image-3.13.0-164-generic_3.13.0-164.214_amd64.deb | Linux |
| Linux kernel (USN-3849-1) linux-image-3.13.0-164-lowlatency_3.13.0-164.214_i386.deb | Linux |
| Linux kernel (USN-3849-1) linux-image-3.13.0-164-lowlatency_3.13.0-164.214_amd64.deb | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-bigsmp-extra-3.0.101-0.47.106.56.1.x86_64.rpm | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-default-extra-3.0.101-0.47.106.56.1.i586.rpm | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-default-extra-3.0.101-0.47.106.56.1.x86_64.rpm | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-pae-extra-3.0.101-0.47.106.56.1.i586.rpm | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-trace-extra-3.0.101-0.47.106.56.1.x86_64.rpm | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-xen-extra-3.0.101-0.47.106.56.1.i586.rpm | Linux |
| SUSE-SU-2018:3618-1(SUSE Linux Enterprise Server 11-EXTRA ) kernel-xen-extra-3.0.101-0.47.106.56.1.x86_64.rpm | Linux |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234