Description
The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker 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.
Published: 2017-11-29
Score: 7.0 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Advisories
Source ID Title
EUVD EUVD EUVD-2017-8221 The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker 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.
History

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Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T20:43:59.664Z

Reserved: 2017-11-28T00:00:00.000Z

Link: CVE-2017-17053

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-11-29T03:29:00.300

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-17053

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-08-24T00:00:00Z

Links: CVE-2017-17053 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses