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SUSE-SU-2016:0752-1

Vulnerability from csaf_suse - Published: 2016-03-14 13:31 - Updated: 2016-03-14 13:31
Summary
Security update for kernel live patch 2
Severity
Important
Notes
Title of the patch: Security update for kernel live patch 2
Description of the patch: This kernel live patch for Linux Kernel 3.12.51-60.25.1 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-12-2016-442
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2013-7446
5.3 (Medium)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-60_25-default-2-2.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-60_25-xen-2-2.1.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2015-8660
6.7 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 2 products, the same list as for CVE-2013-7446
Threats
Impact important
CVE-2016-0728
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Recommended 2 products, the same list as for CVE-2013-7446
Threats
Impact important
References
To clipboard 

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        }
      ],
      "notes": [
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          "category": "general",
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          "title": "CVE description"
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          "product_ids": [
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            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-60_25-xen-2-2.1.x86_64"
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            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-60_25-xen-2-2.1.x86_64"
          ]
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        {
          "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"
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          "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.",
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      ],
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        {
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          },
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            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-60_25-xen-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
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          "date": "2016-03-14T13:31:11Z",
          "details": "important"
        }
      ],
      "title": "CVE-2016-0728"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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  • 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.
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  • 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.


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