RHSA-2020:3836
Vulnerability from csaf_redhat - Published: 2020-09-24 09:58 - Updated: 2026-05-13 01:11Summary
Red Hat Security Advisory: kernel security update
Severity
Important
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Null pointer dereference in search_keyring (CVE-2017-2647)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
7.8 (High)
Affected products
Fixed
16 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 6Server-6.6.AUS:kernel-0:2.6.32-504.84.1.el6.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-debug-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-debug-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-debug-devel-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-debuginfo-common-x86_64-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.6.AUS:kernel-devel-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-0:2.6.32-504.84.1.el6.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-debug-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-debug-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-debug-devel-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-debuginfo-common-x86_64-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-devel-0:2.6.32-504.84.1.el6.x86_64 | — |
Vendor Fix
fix
|
Known not affected
16 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 6Server-6.6.AUS:kernel-abi-whitelists-0:2.6.32-504.84.1.el6.noarch | — | ||
| Unresolved product id: 6Server-6.6.AUS:kernel-doc-0:2.6.32-504.84.1.el6.noarch | — | ||
| Unresolved product id: 6Server-6.6.AUS:kernel-firmware-0:2.6.32-504.84.1.el6.noarch | — | ||
| Unresolved product id: 6Server-6.6.AUS:kernel-headers-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-6.6.AUS:perf-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-6.6.AUS:perf-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-6.6.AUS:python-perf-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-6.6.AUS:python-perf-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-abi-whitelists-0:2.6.32-504.84.1.el6.noarch | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-doc-0:2.6.32-504.84.1.el6.noarch | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-firmware-0:2.6.32-504.84.1.el6.noarch | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:kernel-headers-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:perf-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:perf-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:python-perf-0:2.6.32-504.84.1.el6.x86_64 | — | ||
| Unresolved product id: 6Server-optional-6.6.AUS:python-perf-debuginfo-0:2.6.32-504.84.1.el6.x86_64 | — |
Threats
Impact
Important
References
8 references
Acknowledgments
Virtuozzo
Andrey Ryabinin
Igor Redko
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "kernel: Null pointer dereference in search_keyring"
}
]
}
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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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