suse-su-2019:3246-1
Vulnerability from csaf_suse
Published
2019-12-11 10:04
Modified
2019-12-11 10:04
Summary
Security update for the Linux Kernel (Live Patch 8 for SLE 15)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 8 for SLE 15)
Description of the patch
This update for the Linux Kernel 4.12.14-25_28 fixes several issues. The following security issues were fixed: - CVE-2019-15917: Fixed a use-after-free when hci_uart_register_dev() fails in hci_uart_set_proto() (bsc#1156334). - CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321). - CVE-2018-16871: Fixed an issue where an attacker, who could mount an exported NFS filesystem, was able to trigger a null pointer dereference by using an invalid NFS sequence leading to kernel panic and deny of access to the NFS server (bsc#1156320). - CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).
Patchnames
SUSE-2019-3246,SUSE-SLE-Module-Live-Patching-15-2019-3246
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": "csaf_security_advisory",
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    "distribution": {
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        "title": "Title of the patch"
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        "text": "This update for the Linux Kernel 4.12.14-25_28 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2019-15917: Fixed a use-after-free when hci_uart_register_dev() fails in hci_uart_set_proto() (bsc#1156334).\n- CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging\n  certain scenarios with a parent-child process relationship (bsc#1156321).\n- CVE-2018-16871: Fixed an issue where an attacker, who could mount an exported NFS filesystem, was able to trigger a \n  null pointer dereference by using an invalid NFS sequence leading to kernel panic and deny of access to the NFS server\n  (bsc#1156320).\n- CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
      },
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          "text": "https://www.suse.com/security/cve/CVE-2018-16871"
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      ],
      "notes": [
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          "category": "general",
          "text": "A flaw was found in the Linux kernel\u0027s NFS implementation, all versions 3.x and all versions 4.x up to 4.20. An attacker, who is able to mount an exported NFS filesystem, is able to trigger a null pointer dereference by using an invalid NFS sequence. This can panic the machine and deny access to the NFS server. Any outstanding disk writes to the NFS server will be lost.",
          "title": "CVE description"
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          "summary": "CVE-2018-16871",
          "url": "https://www.suse.com/security/cve/CVE-2018-16871"
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        {
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          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
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      ],
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            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
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      "threats": [
        {
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          "date": "2019-12-11T10:04:48Z",
          "details": "moderate"
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      "title": "CVE-2018-16871"
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          "text": "https://www.suse.com/security/cve/CVE-2019-10220"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory entry lists.",
          "title": "CVE description"
        }
      ],
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          "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.ppc64le",
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        ]
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      "references": [
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          "summary": "CVE-2019-10220",
          "url": "https://www.suse.com/security/cve/CVE-2019-10220"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1144903 for CVE-2019-10220",
          "url": "https://bugzilla.suse.com/1144903"
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        {
          "category": "external",
          "summary": "SUSE Bug 1153108 for CVE-2019-10220",
          "url": "https://bugzilla.suse.com/1153108"
        }
      ],
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          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
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            "version": "3.0"
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          "text": "https://www.suse.com/security/cve/CVE-2019-13272"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit\u0027s pkexec helper with PTRACE_TRACEME. NOTE: SELinux deny_ptrace might be a usable workaround in some environments.",
          "title": "CVE description"
        }
      ],
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        },
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          "summary": "SUSE Bug 1198122 for CVE-2019-13272",
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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",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
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      ],
      "scores": [
        {
          "cvss_v3": {
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            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "products": [
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            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
        }
      ],
      "threats": [
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          "date": "2019-12-11T10:04:48Z",
          "details": "moderate"
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      "title": "CVE-2019-13272"
    },
    {
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          "text": "https://www.suse.com/security/cve/CVE-2019-15917"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when hci_uart_register_dev() fails in hci_uart_set_proto() in drivers/bluetooth/hci_ldisc.c.",
          "title": "CVE description"
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        },
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          "category": "external",
          "summary": "SUSE Bug 1149539 for CVE-2019-15917",
          "url": "https://bugzilla.suse.com/1149539"
        },
        {
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          "url": "https://bugzilla.suse.com/1156334"
        }
      ],
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        {
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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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            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
        }
      ],
      "scores": [
        {
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            "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 Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_28-default-7-2.3.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2019-12-11T10:04:48Z",
          "details": "important"
        }
      ],
      "title": "CVE-2019-15917"
    }
  ]
}


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