OPENSUSE-SU-2022:2941-1

Vulnerability from csaf_opensuse - Published: 2022-08-30 08:51 - Updated: 2026-09-20 19:44
Summary
Security update for libslirp
Severity
Moderate
Notes
Title of the patch: Security update for libslirp
Description of the patch: This update for libslirp fixes the following issues: - CVE-2021-3593: Fixed invalid pointer initialization may lead to information disclosure (udp6) (bsc#1187365). Non-security fixes: - Fix the version header (bsc#1201551)
Patchnames: openSUSE-Leap-Micro-5.2-2022-2941
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2021-3593
3.8 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Affected products
Product Identifier Version Remediation
Unresolved product id: openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.aarch64 —
Vendor Fix
Unresolved product id: openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.x86_64 —
Vendor Fix
Threats
Impact low
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for libslirp",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for libslirp fixes the following issues:\n\n- CVE-2021-3593: Fixed invalid pointer initialization may lead to information disclosure (udp6) (bsc#1187365).\n\nNon-security fixes:\n\n- Fix the version header (bsc#1201551)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-Leap-Micro-5.2-2022-2941",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2022_2941-1.json"
      },
      {
        "category": "self",
        "summary": "URL for openSUSE-SU-2022:2941-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/3NSGF4F642R2SF6X757XAA52XDMHLLL3/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for openSUSE-SU-2022:2941-1",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/3NSGF4F642R2SF6X757XAA52XDMHLLL3/"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1187365",
        "url": "https://bugzilla.suse.com/1187365"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1201551",
        "url": "https://bugzilla.suse.com/1201551"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2021-3593 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-3593/"
      }
    ],
    "title": "Security update for libslirp",
    "tracking": {
      "current_release_date": "2026-09-20T19:44:33Z",
      "generator": {
        "date": "2022-08-30T08:51:38Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "openSUSE-SU-2022:2941-1",
      "initial_release_date": "2022-08-30T08:51:38Z",
      "revision_history": [
        {
          "date": "2022-08-30T08:51:38Z",
          "number": "1",
          "summary": "Current version"
        },
        {
          "date": "2026-09-20T19:44:33Z",
          "number": "2",
          "summary": "unknown changes"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libslirp0-0:4.3.1-150300.11.1.aarch64",
                "product": {
                  "name": "libslirp0-0:4.3.1-150300.11.1.aarch64",
                  "product_id": "libslirp0-0:4.3.1-150300.11.1.aarch64",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:libslirp_project:libslirp:4.3.1:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libslirp0@4.3.1-150300.11.1?arch=aarch64\u0026upstream=libslirp-0:4.3.1-150300.11.1.src.rpm"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "aarch64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libslirp0-0:4.3.1-150300.11.1.x86_64",
                "product": {
                  "name": "libslirp0-0:4.3.1-150300.11.1.x86_64",
                  "product_id": "libslirp0-0:4.3.1-150300.11.1.x86_64",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:a:libslirp_project:libslirp:4.3.1:*:*:*:*:*:*:*",
                    "purl": "pkg:rpm/suse/libslirp0@4.3.1-150300.11.1?arch=x86_64\u0026upstream=libslirp-0:4.3.1-150300.11.1.src.rpm"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "openSUSE Leap Micro 5.2",
                "product": {
                  "name": "openSUSE Leap Micro 5.2",
                  "product_id": "openSUSE Leap Micro 5.2",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:opensuse:leap-micro:5.2"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libslirp0-0:4.3.1-150300.11.1.aarch64 as component of openSUSE Leap Micro 5.2",
          "product_id": "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.aarch64"
        },
        "product_reference": "libslirp0-0:4.3.1-150300.11.1.aarch64",
        "relates_to_product_reference": "openSUSE Leap Micro 5.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libslirp0-0:4.3.1-150300.11.1.x86_64 as component of openSUSE Leap Micro 5.2",
          "product_id": "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.x86_64"
        },
        "product_reference": "libslirp0-0:4.3.1-150300.11.1.x86_64",
        "relates_to_product_reference": "openSUSE Leap Micro 5.2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-3593",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-3593"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the \u0027udphdr\u0027 structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.aarch64",
          "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-3593",
          "url": "https://www.suse.com/security/cve/CVE-2021-3593"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1187365 for CVE-2021-3593",
          "url": "https://bugzilla.suse.com/1187365"
        }
      ],
      "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": [
            "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.aarch64",
            "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.8,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.aarch64",
            "openSUSE Leap Micro 5.2:libslirp0-0:4.3.1-150300.11.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-08-30T08:51:38Z",
          "details": "low"
        }
      ],
      "title": "CVE-2021-3593"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.