SUSE-SU-2016:0336-1

Vulnerability from csaf_suse - Published: 2016-02-04 15:01 - Updated: 2026-09-20 12:10
Summary
Security update for kernel live patch 9
Severity
Important
Notes
Title of the patch: Security update for kernel live patch 9
Description of the patch: This kernel live patch for Linux Kernel 3.12.51-52.31.1 fixes a security issue: Security issues fixed: - CVE-2015-8539: A negatively instantiated user key could have been used by a local user to leverage privileges (bnc#958601).
Patchnames: SUSE-SLE-Live-Patching-12-2016-204
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-2015-8539
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-52_31-default-0:2-2.1.x86_64 —
Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 12:kgraft-patch-3_12_51-52_31-xen-0:2-2.1.x86_64 —
Vendor Fix
Threats
Impact important
References
To clipboard 

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        "text": "\nThis kernel live patch for Linux Kernel 3.12.51-52.31.1 fixes a security issue:\n\nSecurity issues fixed:\n- CVE-2015-8539: A negatively instantiated user key could have been used\n  by a local user to leverage privileges (bnc#958601).\n  ",
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  "product_tree": {
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  "vulnerabilities": [
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        }
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        {
          "category": "general",
          "text": "The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.",
          "title": "CVE description"
        }
      ],
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        ]
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          "summary": "SUSE Bug 781018 for CVE-2015-8539",
          "url": "https://bugzilla.suse.com/781018"
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          "summary": "SUSE Bug 958463 for CVE-2015-8539",
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          "summary": "SUSE Bug 958601 for CVE-2015-8539",
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      "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": [
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          ]
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      ],
      "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"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2016-02-04T15:01:31Z",
          "details": "important"
        }
      ],
      "title": "CVE-2015-8539"
    }
  ]
}



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  • 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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