suse-su-2023:2358-1
Vulnerability from csaf_suse
Published
2023-06-02 11:36
Modified
2023-06-02 11:36
Summary
Security update for qemu

Notes

Title of the patch
Security update for qemu
Description of the patch
This update for qemu fixes the following issues: - CVE-2022-0216: Fixed a use-after-free in lsi_do_msgout() in hw/scsi/lsi53c895a.c (bsc#1198038). - CVE-2021-3929: Fixed use-after-free in nvme, caused by DMA reentrancy issue (bsc#1193880). - CVE-2021-4207: Fixed heap buffer overflow caused by double fetch in qxl_cursor() (bsc#1198037). - CVE-2021-4206: Fixed integer overflow in cursor_alloc() (bsc#1198035). - Amend .changes file: avoid declaring a still unfixed CVE, as fixed (bsc#1187529) - Fix the build breaks caused by binutils update (bsc#1192463, bsc#1193621)
Patchnames
SUSE-2023-2358,SUSE-SLE-SERVER-12-SP2-BCL-2023-2358
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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          "title": "CVE description"
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      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
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            "SUSE Linux Enterprise Server 12 SP2-BCL:qemu-sgabios-8-41.76.1.noarch",
            "SUSE Linux Enterprise Server 12 SP2-BCL:qemu-tools-2.6.2-41.76.1.x86_64",
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            "SUSE Linux Enterprise Server 12 SP2-BCL:qemu-x86-2.6.2-41.76.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-06-02T11:36:51Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-3929"
    },
    {
      "cve": "CVE-2021-4206",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-4206"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-4206",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1198035 for CVE-2021-4206",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1211582 for CVE-2021-4206",
          "url": "https://bugzilla.suse.com/1211582"
        }
      ],
      "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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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
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            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
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        }
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        {
          "category": "impact",
          "date": "2023-06-02T11:36:51Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-4206"
    },
    {
      "cve": "CVE-2021-4207",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-4207"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-\u003eheader.width` and `cursor-\u003eheader.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "category": "vendor_fix",
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        {
          "category": "impact",
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          "details": "important"
        }
      ],
      "title": "CVE-2021-4207"
    },
    {
      "cve": "CVE-2022-0216",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-0216"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. The flaw occurs while processing repeated messages to cancel the current SCSI request via the lsi_do_msgout function. This flaw allows a malicious privileged user within the guest to crash the QEMU process on the host, resulting in a denial of service.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "category": "external",
          "summary": "CVE-2022-0216",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1198038 for CVE-2022-0216",
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        }
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2023-06-02T11:36:51Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2022-0216"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.