CVE-2018-18445 (GCVE-0-2018-18445)
Vulnerability from cvelistv5 – Published: 2018-10-17 19:00 – Updated: 2024-08-05 11:08
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan… | x_refsource_MISC |
| https://usn.ubuntu.com/3847-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3835-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2019:0512 | vendor-advisoryx_refsource_REDHAT |
| https://usn.ubuntu.com/3847-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan… | x_refsource_MISC |
| https://usn.ubuntu.com/3832-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://github.com/torvalds/linux/commit/b799207e… | x_refsource_MISC |
| https://usn.ubuntu.com/3847-3/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2019:0514 | vendor-advisoryx_refsource_REDHAT |
| https://bugs.chromium.org/p/project-zero/issues/d… | x_refsource_MISC |
| http://git.kernel.org/cgit/linux/kernel/git/torva… | x_refsource_MISC |
| https://support.f5.com/csp/article/K38456756 | x_refsource_CONFIRM |
Date Public ?
2018-10-17 00:00
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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