Is CVE-2022-2929 in the CISA KEV catalog?

No. CVE-2022-2929 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-2929?

CVE-2022-2929 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2022-2929?

CVE-2022-2929 has an EPSS score of 0.62% (45th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-2929?

Upgrade isc-dhcp on debian 11 to 4.4.1-2.3+deb11u1 or later. Fixes are available for 28 affected products.

CVE & CISA-KEV Catalog

CVE-2022-2929

MEDIUM

6.5

CVSS v3

NVD

Description

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

isc-dhcpDebian

Fixed in:4.4.1-2.3+deb11u1CVE-2022-2929

Fixed in:4.4.3-2.1CVE-2022-2929

dhcpRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcpRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-clientRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-clientRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-client-debuginfoRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-client-debuginfoRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-commonRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-commonRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-debuginfoRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-debuginfoRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-debugsourceRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-debugsourceRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-libsRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

dhcp-libsRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

dhcp-libs-debuginfoRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

dhcp-libs-debuginfoRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

dhcp-relayRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-relayRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-relay-debuginfoRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-relay-debuginfoRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-serverRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-serverRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-server-debuginfoRed Hat / RHEL

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

dhcp-server-debuginfoRocky

Fixed in:12:4.3.6-49.el8RHSA-2023:3000

Fixed in:12:4.4.2-18.b1.el9RHSA-2023:2502

isc-dhcpUbuntu

Fixed in:4.2.4-7ubuntu12.13+esm2USN-5658-3

Fixed in:4.3.3-5ubuntu12.10+esm2USN-5658-2

Fixed in:4.3.5-3ubuntu7.4USN-5658-1

Fixed in:4.4.1-2.1ubuntu5.20.04.4USN-5658-1

Fixed in:4.4.1-2.3ubuntu2.3USN-5658-1

isc-dhcp-clientUbuntu

Fixed in:4.2.4-7ubuntu12.13+esm2USN-5658-3

Fixed in:4.3.3-5ubuntu12.10+esm2USN-5658-2

Fixed in:4.3.5-3ubuntu7.4USN-5658-1

Fixed in:4.4.1-2.1ubuntu5.20.04.4USN-5658-1

Fixed in:4.4.1-2.3ubuntu2.3USN-5658-1

isc-dhcp-serverUbuntu

Fixed in:4.2.4-7ubuntu12.13+esm2USN-5658-3

Fixed in:4.3.3-5ubuntu12.10+esm2USN-5658-2

Fixed in:4.3.5-3ubuntu7.4USN-5658-1

Fixed in:4.4.1-2.1ubuntu5.20.04.4USN-5658-1

Fixed in:4.4.1-2.3ubuntu2.3USN-5658-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.62%probability of exploitation in 30 days

45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Vendor Advisory1

kb.isc.org

Third-Party Advisory1

lists.debian.org

Other references4

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.