Published: 29/11/2017 Updated: 21/06/2023

CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4

CVSS v3 Base Score: 7 | Impact Score: 5.9 | Exploitability Score: 1

VMScore: 614

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel prior to 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local malicious user to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y.

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linux linux kernel

Synopsis Important: kernel-rt security, bug fix, and enhancement update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Sco ...

The init_new_context function in arch/x86/include/asm/mmu_contexth in the Linux kernel, before 41210, does not correctly handle errors from LDT table allocation when forking a new process This could allow a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program ...

커널 분석

kernel-analysis 커널 분석 kernel 240 CVE-2017-17053 CVE Details Patch Code Blog

CWE-416 https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10 https://github.com/torvalds/linux/commit/ccd5b3235180eef3cfec337df1c8554ab151b5cc http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd5b3235180eef3cfec337df1c8554ab151b5cc http://www.securityfocus.com/bid/102010 https://access.redhat.com/errata/RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:0676 https://nvd.nist.gov https://github.com/bongbongco/kernel-analysis https://access.redhat.com/security/cve/cve-2017-17053

CVE-2017-17053

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