rhsa-2014_1998
Vulnerability from csaf_redhat
Published
2014-12-16 18:51
Modified
2024-11-22 08:46
Summary
Red Hat Security Advisory: kernel-rt security update

Notes

Topic
Updated kernel-rt packages that fix one security issue are now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details
The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. * A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS (stack segment) fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system. (CVE-2014-9322, Important) Red Hat would like to thank Andy Lutomirski for reporting this issue. Users are advised to upgrade to these updated packages, which upgrade the kernel-rt kernel to version kernel-rt-3.10.58-rt62.60 and correct this issue. The system must be rebooted for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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          "name": "kernel-rt-vanilla-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2",
          "product_id": "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64"
        },
        "product_reference": "kernel-rt-vanilla-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
        "relates_to_product_reference": "6Server-MRG-Realtime-2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-rt-vanilla-devel-0:3.10.58-rt62.60.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2",
          "product_id": "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-0:3.10.58-rt62.60.el6rt.x86_64"
        },
        "product_reference": "kernel-rt-vanilla-devel-0:3.10.58-rt62.60.el6rt.x86_64",
        "relates_to_product_reference": "6Server-MRG-Realtime-2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Andy Lutomirski"
          ]
        }
      ],
      "cve": "CVE-2014-9322",
      "cwe": {
        "id": "CWE-841",
        "name": "Improper Enforcement of Behavioral Workflow"
      },
      "discovery_date": "2014-12-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1172806"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the way the Linux kernel handled GS segment register base switching when recovering from a #SS (stack segment) fault on an erroneous return to user space. A local, unprivileged user could use this flaw to escalate their privileges on the system.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: x86: local privesc due to bad_iret and paranoid entry incompatibility",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue does affect the Linux kernel packages as shipped with Red Hat\nEnterprise Linux 4, 5, 6, and 7, and Red Hat Enterprise MRG 2. Future Linux\nkernel updates for the respective releases will address this issue.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "6Server-MRG-Realtime-2:kernel-rt-0:3.10.58-rt62.60.el6rt.src",
          "6Server-MRG-Realtime-2:kernel-rt-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-debug-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-debug-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-debug-devel-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-debuginfo-common-x86_64-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-devel-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-doc-0:3.10.58-rt62.60.el6rt.noarch",
          "6Server-MRG-Realtime-2:kernel-rt-firmware-0:3.10.58-rt62.60.el6rt.noarch",
          "6Server-MRG-Realtime-2:kernel-rt-trace-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-trace-devel-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-vanilla-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
          "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-0:3.10.58-rt62.60.el6rt.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2014-9322"
        },
        {
          "category": "external",
          "summary": "RHBZ#1172806",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1172806"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2014-9322",
          "url": "https://www.cve.org/CVERecord?id=CVE-2014-9322"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-9322",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-9322"
        }
      ],
      "release_date": "2014-12-15T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2014-12-16T18:51:29+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/articles/11258\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not use\n\"rpm -Uvh\" as that will remove the running kernel binaries from your\nsystem. You may use \"rpm -e\" to remove old kernels after determining that\nthe new kernel functions properly on your system.",
          "product_ids": [
            "6Server-MRG-Realtime-2:kernel-rt-0:3.10.58-rt62.60.el6rt.src",
            "6Server-MRG-Realtime-2:kernel-rt-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debug-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debug-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debug-devel-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debuginfo-common-x86_64-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-devel-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-doc-0:3.10.58-rt62.60.el6rt.noarch",
            "6Server-MRG-Realtime-2:kernel-rt-firmware-0:3.10.58-rt62.60.el6rt.noarch",
            "6Server-MRG-Realtime-2:kernel-rt-trace-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-trace-devel-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-vanilla-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-0:3.10.58-rt62.60.el6rt.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2014:1998"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "6Server-MRG-Realtime-2:kernel-rt-0:3.10.58-rt62.60.el6rt.src",
            "6Server-MRG-Realtime-2:kernel-rt-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debug-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debug-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debug-devel-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-debuginfo-common-x86_64-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-devel-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-doc-0:3.10.58-rt62.60.el6rt.noarch",
            "6Server-MRG-Realtime-2:kernel-rt-firmware-0:3.10.58-rt62.60.el6rt.noarch",
            "6Server-MRG-Realtime-2:kernel-rt-trace-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-trace-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-trace-devel-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-vanilla-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-vanilla-debuginfo-0:3.10.58-rt62.60.el6rt.x86_64",
            "6Server-MRG-Realtime-2:kernel-rt-vanilla-devel-0:3.10.58-rt62.60.el6rt.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kernel: x86: local privesc due to bad_iret and paranoid entry incompatibility"
    }
  ]
}


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