5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system.
[
{
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"product": "Red Hat Enterprise Linux 8",
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"packageName": "kernel-rt",
"defaultStatus": "affected",
"versions": [
{
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"lessThan": "*",
"versionType": "rpm",
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}
],
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::nfv",
"cpe:/a:redhat:enterprise_linux:8::realtime"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
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{
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}
],
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::crb",
"cpe:/o:redhat:enterprise_linux:8::baseos"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "kernel",
"defaultStatus": "affected",
"versions": [
{
"version": "0:5.14.0-427.13.1.el9_4",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
],
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::nfv",
"cpe:/a:redhat:enterprise_linux:9::appstream",
"cpe:/a:redhat:enterprise_linux:9::realtime",
"cpe:/o:redhat:enterprise_linux:9::baseos",
"cpe:/a:redhat:enterprise_linux:9::crb"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "kernel",
"defaultStatus": "affected",
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{
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"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
],
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::nfv",
"cpe:/a:redhat:enterprise_linux:9::appstream",
"cpe:/a:redhat:enterprise_linux:9::realtime",
"cpe:/o:redhat:enterprise_linux:9::baseos",
"cpe:/a:redhat:enterprise_linux:9::crb"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 6",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "kernel",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "kernel",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "kernel-rt",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "kernel-rt",
"defaultStatus": "affected",
"cpes": [
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]
}
]
access.redhat.com/errata/RHSA-2024:2394
access.redhat.com/errata/RHSA-2024:2950
access.redhat.com/errata/RHSA-2024:3138
access.redhat.com/security/cve/CVE-2023-42754
bugzilla.redhat.com/show_bug.cgi?id=2239845
lists.debian.org/debian-lts-announce/2024/01/msg00004.html
lists.fedoraproject.org/archives/list/[email protected]/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/
lists.fedoraproject.org/archives/list/[email protected]/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/
lists.fedoraproject.org/archives/list/[email protected]/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/
seclists.org/oss-sec/2023/q4/14
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.2 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%