SUSE-SU-2026:0196-1

Vulnerability from csaf_suse - Published: 2026-01-21 09:05 - Updated: 2026-01-21 09:05
Summary
Security update for ovmf

Notes

Title of the patch
Security update for ovmf
Description of the patch
This update for ovmf fixes the following issues: - CVE-2023-45231: Fixed out of bounds read when handling a ND Redirect message with truncated options (bsc#1218881). - CVE-2023-45232: Fixed infinite loop when parsing unknown options in the Destination Options header (bsc#1218882). - CVE-2023-45233: Fixed infinite loop when parsing a PadN option in the Destination Options header (bsc#1218883). - CVE-2023-45234: Fixed buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (bsc#1218884). - CVE-2023-45235: Fixed buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (bsc#1218885).
Patchnames
SUSE-2026-196,SUSE-SLE-SERVER-12-SP5-LTSS-2026-196,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-196
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
To clipboard 

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        {
          "category": "general",
          "text": "EDK2\u0027s Network Package is susceptible to an out-of-bounds read\n vulnerability when processing   Neighbor Discovery Redirect message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality.",
          "title": "CVE description"
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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          "text": "EDK2\u0027s Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Availability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
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          "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
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          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-45232",
          "url": "https://www.suse.com/security/cve/CVE-2023-45232"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218882 for CVE-2023-45232",
          "url": "https://bugzilla.suse.com/1218882"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-21T09:05:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-45232"
    },
    {
      "cve": "CVE-2023-45233",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-45233"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "EDK2\u0027s Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Availability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
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          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-45233",
          "url": "https://www.suse.com/security/cve/CVE-2023-45233"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218883 for CVE-2023-45233",
          "url": "https://bugzilla.suse.com/1218883"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
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            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
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            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-21T09:05:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-45233"
    },
    {
      "cve": "CVE-2023-45234",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-45234"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "EDK2\u0027s Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
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          "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
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        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-45234",
          "url": "https://www.suse.com/security/cve/CVE-2023-45234"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218884 for CVE-2023-45234",
          "url": "https://bugzilla.suse.com/1218884"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-21T09:05:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-45234"
    },
    {
      "cve": "CVE-2023-45235",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-45235"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "EDK2\u0027s Network Package is susceptible to a buffer overflow vulnerability when\n\n\n\n\n\nhandling Server ID option \n\n\n\n from a DHCPv6 proxy Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
          "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
          "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2023-45235",
          "url": "https://www.suse.com/security/cve/CVE-2023-45235"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218885 for CVE-2023-45235",
          "url": "https://bugzilla.suse.com/1218885"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.aarch64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1.noarch",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1.x86_64",
            "SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-01-21T09:05:26Z",
          "details": "important"
        }
      ],
      "title": "CVE-2023-45235"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.