Vulnerability in Linux Kernel

CVE-2017-11472

The acpi_ns_terminate() function in drivers/acpi/acpica/nsutils.c in the Linux kernel before 4.12 does not flush the operand cache and causes a kernel stack dump, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism (in the kernel through 4.9) via a crafted ACPI table.

EPSS: 0.004 (29.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)

Frequently asked questions

What is CVE-2017-11472?
CVE-2017-11472 is a high-severity vulnerability in Linux Kernel, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.1/10. Published 2017-07-20.
How severe is CVE-2017-11472?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2017-11472 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.