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Fencer Vulns
high 7.8

CVE-2017-11473 json

Buffer overflow in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c in the Linux kernel through 3.2 allows local users…

published 2017-07-20 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-3092

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

Buffer overflow in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c in the Linux kernel through 3.2 allows local users to gain privileges via a crafted ACPI table.

Patch / fix

  • linux linux_kernel 3.2.95, 3.16.50, 3.18.63, 4.1.44, 4.4.79, 4.9.40, 4.12.4
  • linux Debian 14, Debian 13, Debian 12 4.13.4-1

debian advisories DEBIAN-CVE-2017-11473

  • linux Ubuntu 14.04 LTS 3.13.0-157.207
  • linux Ubuntu 16.04 LTS 4.4.0-93.116
  • linux-aws Ubuntu 16.04 LTS 4.4.0-1032.41
  • linux-gcp Ubuntu 16.04 LTS 4.13.0-1002.5
  • linux-gke Ubuntu 16.04 LTS 4.4.0-1028.28
  • linux-hwe Ubuntu 16.04 LTS 4.13.0-32.35~16.04.1
  • linux-azure Ubuntu 16.04 LTS 4.13.0-1005.7
  • linux-raspi2 Ubuntu 16.04 LTS 4.4.0-1071.79

ubuntu advisories UBUNTU-CVE-2017-11473

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-alt RHEL 7 4.14.0-49.el7a
  • perf RHEL 7 4.14.0-49.el7a
  • kernel RHEL 7 4.14.0-49.el7a
  • python-perf RHEL 7 4.14.0-49.el7a
  • kernel-kdump RHEL 7 4.14.0-49.el7a
  • kernel-tools RHEL 7 4.14.0-49.el7a
  • kernel-tools-libs RHEL 7 4.14.0-49.el7a
  • kernel-bootwrapper RHEL 7 4.14.0-49.el7a

red hat advisories RHSA-2018:0654

  • kernel-rt SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-syms-rt SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-rt_debug SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-source-rt SLE Real Time 12 SP2 4.4.88-18.1
  • kernel-syms SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 4.4.90-92.45.1
  • kernel-source SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 4.4.90-92.45.1
  • kernel-default SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +3 more 4.4.90-92.45.1
  • kernel-obs-build SLE Software Development Kit 12 SP2 4.4.90-92.45.1

suse advisories SUSE-SU-2017:2956-1SUSE-SU-2017:2869-1SUSE-SU-2017:2525-1SUSE-SU-2017:2389-1SUSE-SU-2017:2342-1SUSE-SU-2017:2286-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-11473 updated cvss 6.4

kernel: Buffer overflow in mp_override_legacy_irq()

  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-49.el7a, kernel 4.14.0-49.el7a, kernel-alt 4.14.0-49.el7a, python-perf 4.14.0-49.el7a, kernel-kdump 4.14.0-49.el7a, kernel-tools 4.14.0-49.el7a, +6 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-aarch64 4.14.0-49.el7a, kernel-debuginfo-common-ppc64le 4.14.0-49.el7a
    fixed: vendor fix RHSA-2018:0654

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.