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CVE-2017-17053

HIGH
7
CVSS Score
Published: November 29, 2017 at 03:00 AM UTC
Updated: June 17, 2026 at 01:10 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.10 ≤ v < 4.12.104.4.144 ≤ v < 4.4.1534.6 ≤ v < 4.9.46
Affected range stops below 4.12.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.153, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.9.46, so it looks safe — our inference, not a vendor statement

References (5)

x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd5b3235180eef3cfec337df1c8554ab151b5cc
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/102010
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:0676
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/ccd5b3235180eef3cfec337df1c8554ab151b5cc
x_refsource_CONFIRMIssue TrackingVendor Advisory
Source: [email protected]
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10

CVSS

7HIGH[email protected]
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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