Buffer overflow in Linux Linux_kernel
CVE-2017-16995
The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging incorrect sign extension.
Vulnerability class: Buffer Overflow
EPSS: 0.840 (99.3th 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, 16.04
- Debian Debian_linux — versions 9.0
- N/a — versions through 4.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- security@debian.org (Third Party Advisory, x_refsource_MISC)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@debian.org (Third Party Advisory, x_refsource_MISC)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@debian.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- security@debian.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@debian.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16995?
- CVE-2017-16995 is a high-severity vulnerability in Linux Linux_kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-12-27.
- How severe is CVE-2017-16995?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-16995 known to be exploited?
- 146 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.