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Status published
Medium
CVE-2017-17862
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code,...
Vulnerability Description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/torvalds/linux/commit/c131187db2d3fa2f8bf32fdf4e9a4ef805168467
- https://usn.ubuntu.com/3619-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c131187db2d3fa2f8bf32fdf4e9a4ef805168467
- https://www.spinics.net/lists/stable/msg206984.html
- http://www.securityfocus.com/bid/102325
- https://www.debian.org/security/2017/dsa-4073
- https://usn.ubuntu.com/usn/usn-3523-2/
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-fix-branch-pruning-logic.patch?h=stretch-security
- https://usn.ubuntu.com/3619-1/
- http://www.securitytracker.com/id/1040057
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, debian linux
Vulnerable Versions:
0, 9.0
Timeline
Official Publish:
December 23rd, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.