rhsa-2024_0381
Vulnerability from csaf_redhat
Published
2024-01-23 17:54
Modified
2024-11-06 04:46
Summary
Red Hat Security Advisory: kpatch-patch security update
Notes
Topic
An update for kpatch-patch is now available for Red Hat Enterprise Linux 9.2 Extended 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
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe (CVE-2023-2163)
* kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
* kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)
* kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)
* kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)
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.
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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.",
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"title": "kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe"
},
{
"cve": "CVE-2023-4622",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2023-09-06T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2237760"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in the Linux kernel\u0027s af_unix component that allows local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer\u0027s recv queue without locking the queue. This issue leads to a race condition where the unix_stream_sendpage() function could access a skb that is being released by garbage collection, resulting in a use-after-free issue.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: use after free in unix_stream_sendpage",
"title": "Vulnerability summary"
},
{
"category": "general",
"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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"title": "Vulnerability description"
},
{
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"text": "kernel: net/sched: sch_hfsc UAF",
"title": "Vulnerability summary"
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{
"category": "general",
"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.",
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},
{
"category": "summary",
"text": "kernel: eBPF: insufficient stack type checks in dynptr",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Dynamic pointers were introduced in Red Hat Enterprise Linux 9.2 while rebasing BPF to version 5.19. Previous RHEL releases (7, 8, and 9.0) are not affected by this CVE.",
"title": "Statement"
},
{
"category": "general",
"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.",
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"title": "kernel: eBPF: insufficient stack type checks in dynptr"
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{
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"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
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{
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"text": "2244723"
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{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: IGB driver inadequate buffer size for frames larger than MTU",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw is rated as Important because of its nature of exposure to the threat of impacting Confidentiality, Integrity and Availability by an attacker while being in an adjacent physical layer with no privilege required.",
"title": "Statement"
},
{
"category": "general",
"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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},
{
"category": "external",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2244723"
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{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2023-45871"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45871",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45871"
},
{
"category": "external",
"summary": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb5ed01cd2428cd25b1c88a3a9cba87055eb289f",
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bb5ed01cd2428cd25b1c88a3a9cba87055eb289f"
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"release_date": "2023-08-24T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2024-01-23T17:54:12+00:00",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"threats": [
{
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"details": "Important"
}
],
"title": "kernel: IGB driver inadequate buffer size for frames larger than MTU"
}
]
}
Loading...
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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.