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Vulnerability details: VCID-1rz7-uz9z-2kbr
Vulnerability ID VCID-1rz7-uz9z-2kbr
Aliases CVE-2023-3966
Summary openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-248 Uncaught Exception
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-3966.json
cvssv3.1 7.5 https://access.redhat.com/security/cve/CVE-2023-3966
ssvc Track https://access.redhat.com/security/cve/CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2023-3966
cvssv3.1 7.5 https://bugzilla.redhat.com/show_bug.cgi?id=2178363
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2178363
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
cvssv3.1 7.5 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-3966.json
https://api.first.org/data/v1/epss?cve=CVE-2023-3966
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3966
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5366
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1063492 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063492
2178363 https://bugzilla.redhat.com/show_bug.cgi?id=2178363
cpe:/a:redhat:openshift:3.11 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openshift:3.11
cpe:/o:redhat:enterprise_linux:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:7::fastdatapath https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7::fastdatapath
cpe:/o:redhat:enterprise_linux:8::fastdatapath https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:8::fastdatapath
cpe:/o:redhat:enterprise_linux:9::fastdatapath https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9::fastdatapath
CVE-2023-3966 https://access.redhat.com/security/cve/CVE-2023-3966
LFZADABUDOFI2KZIRQBYFZCIKH55RGY3 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
RHSA-2024:1227 https://access.redhat.com/errata/RHSA-2024:1227
RHSA-2024:1234 https://access.redhat.com/errata/RHSA-2024:1234
RHSA-2024:1235 https://access.redhat.com/errata/RHSA-2024:1235
USN-6690-1 https://usn.ubuntu.com/6690-1/
VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-3966.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/security/cve/CVE-2023-3966
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-22T15:42:09Z/ Found at https://access.redhat.com/security/cve/CVE-2023-3966
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=2178363
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-22T15:42:09Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2178363
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-22T15:42:09Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LFZADABUDOFI2KZIRQBYFZCIKH55RGY3/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-02-22T15:42:09Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VYYUBF6OW2JG7VOFEOROHXGSJCTES3QO/
Exploit Prediction Scoring System (EPSS)
Percentile 0.13733
EPSS Score 0.00045
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:49:58.670474+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-3966.json 38.0.0