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…

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.

Scores

EPSS (exploitation in 30 days)

0.38% · top 68% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.0.

Weakness

• n/a
• CWE-416 (opens in a new tab)All about CWE-416 and its CVEs

Affected products

• n/a

  • affected n/a

References (5)

• 102010 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://github.com/torvalds/linux/commit/ccd5b3235180eef3cfec337df1c8554ab151b5cc (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2018:0676 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd5b3235180eef3cfec337df1c8554ab151b5cc (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2017-17053](https://trackcve.app/badge/CVE-2017-17053.svg)](https://trackcve.app/cve/CVE-2017-17053)

Record last updated 5 Aug 2024, 20:43 UTC.