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VULNERABILITIES

CVE-2018-18445 Details

Description

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b799207e1e1816b09e7a5920fbb2d5fcf6edd681 CVEPatchThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0512 CVEThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0514 CVEThird Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1686 CVEIssue TrackingPatchThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.75 CVEPatchRelease NotesThird Party Advisory

see all 26 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]

Affected Products

ProductVersions

Change History

13 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-18445
NVD Published Date:
Oct 17, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-18445 Details - Not Deferred