High severity7.8NVD Advisory· Published Dec 27, 2017· Updated Jun 17, 2026

CVE-2017-17863

Description

kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Debian/linux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.9.0,<=4.9.71
- (no CPE)range: 4.9.x through 4.9.71
osv-coords2 versions
pkg:deb/ubuntu/linux-flo@3.4.0-5.23?arch=source&distro=esm-apps/xenial pkg:deb/ubuntu/linux-mako@3.4.0-7.44?arch=source&distro=esm-apps/xenial
>= 0+ 1 more
- (no CPE)range: >= 0
- (no CPE)range: >= 0

Patches

Vulnerability mechanics

References

anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patchnvdPatch
www.spinics.net/lists/stable/msg206985.htmlnvdIssue TrackingPatch
www.securityfocus.com/bid/102321nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1040058nvdThird Party AdvisoryVDB Entry
www.debian.org/security/2017/dsa-4073nvdThird Party Advisory
usn.ubuntu.com/3523-3/nvd
usn.ubuntu.com/usn/usn-3523-2/nvd

News mentions

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cvss	0.507
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000