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almalinuxAlmaLinuxALSA-2023:3000
HistoryMay 16, 2023 - 12:00 a.m.

Moderate: dhcp security and bug fix update

2023-05-1600:00:00
errata.almalinux.org
14
dhcp
security
bug fix
network configuration
ip address
subnet mask
broadcast address
relay agent
isc dhcp service

6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

43.7%

JSON

The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, including an IP address, a subnet mask, and a broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and administer DHCP on a network.

Security Fix(es):

  • dhcp: option refcount overflow when leasequery is enabled leading to dhcpd abort (CVE-2022-2928)
  • dhcp: DHCP memory leak (CVE-2022-2929)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

OSVersionArchitecturePackageVersionFilename
almalinux8i686dhcp-libs< 4.3.6-49.el8dhcp-libs-4.3.6-49.el8.i686.rpm
almalinux8noarchdhcp-common< 4.3.6-49.el8dhcp-common-4.3.6-49.el8.noarch.rpm
almalinux8x86_64dhcp-libs< 4.3.6-49.el8dhcp-libs-4.3.6-49.el8.x86_64.rpm
almalinux8x86_64dhcp-relay< 4.3.6-49.el8dhcp-relay-4.3.6-49.el8.x86_64.rpm
almalinux8x86_64dhcp-client< 4.3.6-49.el8dhcp-client-4.3.6-49.el8.x86_64.rpm
almalinux8x86_64dhcp-server< 4.3.6-49.el8dhcp-server-4.3.6-49.el8.x86_64.rpm
almalinux8aarch64dhcp-relay< 4.3.6-49.el8dhcp-relay-4.3.6-49.el8.aarch64.rpm
almalinux8aarch64dhcp-client< 4.3.6-49.el8dhcp-client-4.3.6-49.el8.aarch64.rpm
almalinux8aarch64dhcp-libs< 4.3.6-49.el8dhcp-libs-4.3.6-49.el8.aarch64.rpm
almalinux8aarch64dhcp-server< 4.3.6-49.el8dhcp-server-4.3.6-49.el8.aarch64.rpm
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1-10 of 181

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6.5 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

43.7%

JSON
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