suse-su-2021:1074-1
Vulnerability from csaf_suse
Published
2021-04-07 07:11
Modified
2021-04-07 07:11
Summary
Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)
Description of the patch
This update for the Linux Kernel 4.4.180-94_141 fixes several issues. The following security issues were fixed: - CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491). - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120). - CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717). - CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bsc#1177513). - CVE-2020-0429: Fixed a memory corruption due to a use after free which could have led to local escalation of privilege with System execution privileges needed (bsc#1176931). - CVE-2020-1749: Use ip6_dst_lookup_flow instead of ip6_dst_lookup (bsc#1165631).
Patchnames
SUSE-2021-1074,SUSE-SLE-SAP-12-SP3-2021-1074,SUSE-SLE-SERVER-12-SP3-2021-1074
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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          "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": "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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          "summary": "SUSE Bug 1189302 for CVE-2020-1749",
          "url": "https://bugzilla.suse.com/1189302"
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      ],
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          "text": "https://www.suse.com/security/cve/CVE-2020-25645"
        }
      ],
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        {
          "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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          "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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          "date": "2021-04-07T07:11:18Z",
          "details": "important"
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      "title": "CVE-2020-25645"
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        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsi_transport structure. When an iSCSI transport is registered with the iSCSI subsystem, the transport\u0027s handle is available to unprivileged users via the sysfs file system, at /sys/class/iscsi_transport/$TRANSPORT_NAME/handle. When read, the show_transport_handle function (in drivers/scsi/scsi_transport_iscsi.c) is called, which leaks the handle. This handle is actually the pointer to an iscsi_transport struct in the kernel module\u0027s global variables.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-27363",
          "url": "https://www.suse.com/security/cve/CVE-2021-27363"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182716 for CVE-2021-27363",
          "url": "https://bugzilla.suse.com/1182716"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182717 for CVE-2021-27363",
          "url": "https://bugzilla.suse.com/1182717"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1183120 for CVE-2021-27363",
          "url": "https://bugzilla.suse.com/1183120"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1200084 for CVE-2021-27363",
          "url": "https://bugzilla.suse.com/1200084"
        }
      ],
      "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 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-04-07T07:11:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-27363"
    },
    {
      "cve": "CVE-2021-27364",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-27364"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-27364",
          "url": "https://www.suse.com/security/cve/CVE-2021-27364"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182715 for CVE-2021-27364",
          "url": "https://bugzilla.suse.com/1182715"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182716 for CVE-2021-27364",
          "url": "https://bugzilla.suse.com/1182716"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182717 for CVE-2021-27364",
          "url": "https://bugzilla.suse.com/1182717"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1200084 for CVE-2021-27364",
          "url": "https://bugzilla.suse.com/1200084"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214268 for CVE-2021-27364",
          "url": "https://bugzilla.suse.com/1214268"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218966 for CVE-2021-27364",
          "url": "https://bugzilla.suse.com/1218966"
        }
      ],
      "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 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-04-07T07:11:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-27364"
    },
    {
      "cve": "CVE-2021-27365",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-27365"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
          "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2021-27365",
          "url": "https://www.suse.com/security/cve/CVE-2021-27365"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182712 for CVE-2021-27365",
          "url": "https://bugzilla.suse.com/1182712"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1182715 for CVE-2021-27365",
          "url": "https://bugzilla.suse.com/1182715"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1183491 for CVE-2021-27365",
          "url": "https://bugzilla.suse.com/1183491"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1200084 for CVE-2021-27365",
          "url": "https://bugzilla.suse.com/1200084"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214268 for CVE-2021-27365",
          "url": "https://bugzilla.suse.com/1214268"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218966 for CVE-2021-27365",
          "url": "https://bugzilla.suse.com/1218966"
        }
      ],
      "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 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.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 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server 12 SP3-LTSS:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.ppc64le",
            "SUSE Linux Enterprise Server for SAP Applications 12 SP3:kgraft-patch-4_4_180-94_141-default-2-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-04-07T07:11:18Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-27365"
    }
  ]
}


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