rhsa-2015_0989
Vulnerability from csaf_redhat
Published
2015-05-12 18:49
Modified
2024-09-13 10:35
Summary
Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Notes

Topic
Updated kernel-rt packages that fix one security issue, several bugs, and add various enhancements 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 buffer overflow flaw was found in the way the Linux kernel's Intel AES-NI instructions optimized version of the RFC4106 GCM mode decryption functionality handled fragmented packets. A remote attacker could use this flaw to crash, or potentially escalate their privileges on, a system over a connection with an active AEC-GCM mode IPSec security association. (CVE-2015-3331, Important) This update provides a build of the kernel-rt package for Red Hat Enterprise MRG 2.5, which is layered on Red Hat Enterprise Linux 6. The kernel-rt sources have been updated to include fixes for the following issues: * Audit subsystem not resolving path name on directory watches * audit watches do not track correctly after a rename * auditctl output is changed in RHEL 7 * megaraid_sas: non-booting system with intel_iommu=on kernel parameter * GFS2: kernel NULL pointer dereference in gfs2_inplace_reserve * Crypto adapter cannot be brought online - affect all HW * crypto/seqiv.c: wrong check of return code from crypto_rng_get_bytes * Backport crypto: sha256_ssse3 - also test for BMI2 * Null pointer at team_handle_frame+0x62/0x100 [team] * AES CTR x86_64 "by8" AVX optimization * Intel RDSEED - Fix for entropy counting * Intel SHA1 multi-buffer crypto implementation * Intel SHA1 AVX2 optimization support * mlx4_en: HW timestamp ends up in error queue of socket which does not have SO_TIMESTAMPING enabled (BZ#1213945) All kernel-rt users are advised to upgrade to these updated packages, which correct these issues and add these enhancements. 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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        "text": "Updated kernel-rt packages that fix one security issue, several bugs, and\nadd various enhancements are now available for Red Hat Enterprise MRG 2.5.\n\nRed Hat Product Security has rated this update as having Important security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
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        "text": "The kernel-rt packages contain the Linux kernel, the core of any Linux\noperating system.\n\n* A buffer overflow flaw was found in the way the Linux kernel\u0027s Intel\nAES-NI instructions optimized version of the RFC4106 GCM mode decryption\nfunctionality handled fragmented packets. A remote attacker could use this\nflaw to crash, or potentially escalate their privileges on, a system over a\nconnection with an active AEC-GCM mode IPSec security association.\n(CVE-2015-3331, Important)\n\nThis update provides a build of the kernel-rt package for Red Hat\nEnterprise MRG 2.5, which is layered on Red Hat Enterprise Linux 6.\nThe kernel-rt sources have been updated to include fixes for the following\nissues:\n\n* Audit subsystem not resolving path name on directory watches\n* audit watches do not track correctly after a rename\n* auditctl output is changed in RHEL 7\n* megaraid_sas: non-booting system with intel_iommu=on kernel parameter\n* GFS2: kernel NULL pointer dereference in gfs2_inplace_reserve\n* Crypto adapter cannot be brought online - affect all HW\n* crypto/seqiv.c: wrong check of return code from crypto_rng_get_bytes\n* Backport crypto: sha256_ssse3 - also test for BMI2\n* Null pointer at team_handle_frame+0x62/0x100 [team]\n* AES CTR x86_64 \"by8\" AVX optimization\n* Intel RDSEED - Fix for entropy counting\n* Intel SHA1 multi-buffer crypto implementation\n* Intel SHA1 AVX2 optimization support\n* mlx4_en: HW timestamp ends up in error queue of socket which does not\nhave SO_TIMESTAMPING enabled\n\n(BZ#1213945)\n\nAll kernel-rt users are advised to upgrade to these updated packages, which\ncorrect these issues and add these enhancements. The system must be\nrebooted for this update to take effect.",
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  "vulnerabilities": [
    {
      "cve": "CVE-2015-3331",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2015-04-14T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1213322"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A buffer overflow flaw was found in the way the Linux kernel\u0027s Intel AES-NI instructions optimized version of the RFC4106 GCM mode decryption functionality handled fragmented packets. A remote attacker could use this flaw to crash, or potentially escalate their privileges on, a system over a connection with an active AES-GCM mode IPSec security association.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Kernel: crypto: buffer overruns in RFC4106 implementation using AESNI",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue does not affect the version of the kernel package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue affects the versions of Linux kernel as shipped with\nRed Hat Enterprise Linux 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates\nfor Red Hat Enterprise Linux 6 may 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": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2015-3331"
        },
        {
          "category": "external",
          "summary": "RHBZ#1213322",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1213322"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-3331",
          "url": "https://www.cve.org/CVERecord?id=CVE-2015-3331"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3331",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3331"
        }
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      "release_date": "2015-03-12T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "baseScore": 7.1,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
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            "version": "2.0"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Kernel: crypto: buffer overruns in RFC4106 implementation using AESNI"
    }
  ]
}


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