Buffer overflow in Linux Kernel
CVE-2017-11473
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Canonical Ubuntu_linux — versions 14.04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-11473?
- CVE-2017-11473 is a high-severity vulnerability in Linux Kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2017-07-20.
- How severe is CVE-2017-11473?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-11473 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.