rhsa-2019_4057
Vulnerability from csaf_redhat
Published
2019-12-03 08:08
Modified
2024-11-05 21:39
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise MRG 2.
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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* Kernel: page cache side channel attacks (CVE-2019-5489)
* kernel: Handling of might_cancel queueing is not properly pretected against race (CVE-2017-10661)
* kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service (CVE-2017-18208)
* kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c (CVE-2019-11811)
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):
* update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1765670)
* [MRG/R] pip_stress hangs when a priority inversion occurs (BZ#1772562)
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.
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},
{
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"cwe": {
"id": "CWE-200",
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{
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},
{
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},
{
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{
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"name": "Use After Free"
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"text": "1709180"
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has been rated as \"Moderate\" as the attacker needs to be able to abuse this flaw in a very narrow race condition of the kernel module being unloaded. This scoring system from this flaw differentiates from other sources as the attacker must have a local account to be able to read the file (/proc/ioports) while the module is unloaded. None of the above actions are \u0027network facing\u0027 attack vectors.",
"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"6Server-MRG-Realtime-2:kernel-rt-trace-devel-1:3.10.0-693.61.1.rt56.656.el6rt.x86_64",
"6Server-MRG-Realtime-2:kernel-rt-vanilla-1:3.10.0-693.61.1.rt56.656.el6rt.x86_64",
"6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-1:3.10.0-693.61.1.rt56.656.el6rt.x86_64",
"6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-1:3.10.0-693.61.1.rt56.656.el6rt.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c"
}
]
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.