suse-su-2020:3648-1
Vulnerability from csaf_suse
Published
2020-12-07 16:24
Modified
2020-12-07 16:24
Summary
Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP2)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP2)
Description of the patch
This update for the Linux Kernel 4.4.121-92_146 fixes several issues. The following security issues were fixed: - CVE-2020-25668: Fixed a concurrency use-after-free in con_font_op (bsc#1178622). - CVE-2020-25645: Fixed an issue which traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted (bsc#1177513). - CVE-2020-0429: Fixed a memory corruption due to a use after free which could have led to to local privilege escalation (bsc#1176931). - CVE-2020-11668: Fixed an issue where the Xirlink camera USB driver mishandled invalid descriptors (bsc#1173942). - CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165631).
Patchnames
SUSE-2020-3648,SUSE-SLE-SAP-12-SP2-2020-3648,SUSE-SLE-SERVER-12-SP2-2020-3648
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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          "text": "https://www.suse.com/security/cve/CVE-2020-0429"
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          "category": "general",
          "text": "In l2tp_session_delete and related functions of l2tp_core.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-152735806",
          "title": "CVE description"
        }
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          "text": "In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770.",
          "title": "CVE description"
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          "text": "https://www.suse.com/security/cve/CVE-2020-1749"
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      ],
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          "category": "general",
          "text": "A flaw was found in the Linux kernel\u0027s implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn\u0027t correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.",
          "title": "CVE description"
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          "url": "https://www.suse.com/security/cve/CVE-2020-1749"
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          "url": "https://bugzilla.suse.com/1177511"
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          "url": "https://bugzilla.suse.com/1177513"
        },
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          "summary": "SUSE Bug 1189302 for CVE-2020-1749",
          "url": "https://bugzilla.suse.com/1189302"
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            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
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          "date": "2020-12-07T16:24:47Z",
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    },
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          "text": "https://www.suse.com/security/cve/CVE-2020-25645"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.",
          "title": "CVE description"
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          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-25645",
          "url": "https://www.suse.com/security/cve/CVE-2020-25645"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1177511 for CVE-2020-25645",
          "url": "https://bugzilla.suse.com/1177511"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1177513 for CVE-2020-25645",
          "url": "https://bugzilla.suse.com/1177513"
        }
      ],
      "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 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-12-07T16:24:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-25645"
    },
    {
      "cve": "CVE-2020-25668",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-25668"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
          "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2020-25668",
          "url": "https://www.suse.com/security/cve/CVE-2020-25668"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178123 for CVE-2020-25668",
          "url": "https://bugzilla.suse.com/1178123"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178622 for CVE-2020-25668",
          "url": "https://bugzilla.suse.com/1178622"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1196914 for CVE-2020-25668",
          "url": "https://bugzilla.suse.com/1196914"
        }
      ],
      "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 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server 12 SP2-LTSS:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP2:kgraft-patch-4_4_121-92_146-default-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-12-07T16:24:47Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-25668"
    }
  ]
}


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