RHSA-2019_2695
Vulnerability from csaf_redhat - Published: 2019-09-10 17:57 - Updated: 2024-11-15 03:14Summary
Red Hat Security Advisory: kernel security and bug fix update
Severity
Moderate
Notes
Topic: An update for kernel is now available for Red Hat Enterprise Linux 6.5 Advanced Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
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.
Bug Fix(es):
* fragmented packets timing out (BZ#1741129)
* Backport TCP follow-up for small buffers (BZ#1741142)
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 Spectre gadget was found in the Linux kernel's implementation of system interrupts. An attacker with local access could use this information to reveal private data through a Spectre like side channel.
5.9 (Medium)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
https://access.redhat.com/errata/RHSA-2019:2695
Workaround
For mitigation related information, please refer to the Red Hat Knowledgebase article: https://access.redhat.com/articles/4329821
References
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: hw: Spectre SWAPGS gadget vulnerability"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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