SUSE-SU-2016:0751-1

Vulnerability from csaf_suse - Published: 2016-03-14 13:30 - Updated: 2016-03-14 13:30
Summary
Security update for kernel live patch 0

Notes

Title of the patch
Security update for kernel live patch 0
Description of the patch
This kernel live patch for Linux Kernel 3.12.49-11.1 fixes three security issues: Fixes: - CVE-2016-0728: A reference leak in keyring handling with join_session_keyring() could lead to local attackers gain root privileges. (bsc#962078). - CVE-2015-8660: The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application. (bsc#960329) - CVE-2013-7446: Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel allowed local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls. (bsc#955837)
Patchnames
SUSE-SLE-Live-Patching-12-2016-439
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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    "distribution": {
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        "text": "Security update for kernel live patch 0",
        "title": "Title of the patch"
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        "text": "\nThis kernel live patch for Linux Kernel 3.12.49-11.1 fixes three security\nissues:\n\nFixes:\n- CVE-2016-0728: A reference leak in keyring handling with\n  join_session_keyring() could lead to local attackers gain root\n  privileges. (bsc#962078).\n- CVE-2015-8660: The ovl_setattr function in fs/overlayfs/inode.c in the\n  Linux kernel through 4.3.3 attempts to merge distinct setattr\n  operations, which allows local users to bypass intended access\n  restrictions and modify the attributes of arbitrary overlay files via\n  a crafted application. (bsc#960329)\n- CVE-2013-7446: Use-after-free vulnerability in net/unix/af_unix.c in\n  the Linux kernel allowed local users to bypass intended AF_UNIX socket\n  permissions or cause a denial of service (panic) via crafted epoll_ctl\n  calls. (bsc#955837)\n",
        "title": "Description of the patch"
      },
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        "title": "Patchnames"
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      },
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        "url": "https://bugzilla.suse.com/962078"
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        "url": "https://www.suse.com/security/cve/CVE-2013-7446/"
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        "url": "https://www.suse.com/security/cve/CVE-2016-0728/"
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    "title": "Security update for kernel live patch 0",
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      "revision_history": [
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  "vulnerabilities": [
    {
      "cve": "CVE-2013-7446",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2013-7446"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Use-after-free vulnerability in net/unix/af_unix.c in the Linux kernel before 4.3.3 allows local users to bypass intended AF_UNIX socket permissions or cause a denial of service (panic) via crafted epoll_ctl calls.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
          "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
        ]
      },
      "references": [
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          "summary": "CVE-2013-7446",
          "url": "https://www.suse.com/security/cve/CVE-2013-7446"
        },
        {
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          "url": "https://bugzilla.suse.com/1020452"
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        {
          "category": "external",
          "summary": "SUSE Bug 955654 for CVE-2013-7446",
          "url": "https://bugzilla.suse.com/955654"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 955837 for CVE-2013-7446",
          "url": "https://bugzilla.suse.com/955837"
        }
      ],
      "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 Live Patching 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2016-03-14T13:30:56Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2013-7446"
    },
    {
      "cve": "CVE-2015-8660",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2015-8660"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
          "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2015-8660",
          "url": "https://www.suse.com/security/cve/CVE-2015-8660"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 923755 for CVE-2015-8660",
          "url": "https://bugzilla.suse.com/923755"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 960281 for CVE-2015-8660",
          "url": "https://bugzilla.suse.com/960281"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 960329 for CVE-2015-8660",
          "url": "https://bugzilla.suse.com/960329"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 963994 for CVE-2015-8660",
          "url": "https://bugzilla.suse.com/963994"
        }
      ],
      "remediations": [
        {
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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 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
          ]
        }
      ],
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          ]
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          "date": "2016-03-14T13:30:56Z",
          "details": "important"
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      "title": "CVE-2015-8660"
    },
    {
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      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2016-0728"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.",
          "title": "CVE description"
        }
      ],
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        ]
      },
      "references": [
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          "summary": "CVE-2016-0728",
          "url": "https://www.suse.com/security/cve/CVE-2016-0728"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 923755 for CVE-2016-0728",
          "url": "https://bugzilla.suse.com/923755"
        },
        {
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          "summary": "SUSE Bug 962075 for CVE-2016-0728",
          "url": "https://bugzilla.suse.com/962075"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 962078 for CVE-2016-0728",
          "url": "https://bugzilla.suse.com/962078"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 963994 for CVE-2016-0728",
          "url": "https://bugzilla.suse.com/963994"
        }
      ],
      "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 Live Patching 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-default-3-8.2.x86_64",
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_49-11-xen-3-8.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2016-03-14T13:30:56Z",
          "details": "important"
        }
      ],
      "title": "CVE-2016-0728"
    }
  ]
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.