SUSE-SU-2018:0572-1

Vulnerability from csaf_suse - Published: 2018-03-01 16:49 - Updated: 2018-03-01 16:49
Summary
Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP2)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP2)
Description of the patch
This update for the Linux Kernel 4.4.90-92_45 fixes several issues. The following security issue was fixed: - CVE-2017-18075: crypto/pcrypt.c in the Linux kernel mishandled freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls (bsc#1077404). Non security issue fixed: - btrfs: account for pinned bytes in should_alloc_chunk (bsc#1077268)
Patchnames
SUSE-SLE-Live-Patching-12-2018-395
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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      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
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        "text": "This update for the Linux Kernel 4.4.90-92_45 fixes several issues.\n\nThe following security issue was fixed:\n\n- CVE-2017-18075: crypto/pcrypt.c in the Linux kernel mishandled freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls (bsc#1077404).\n\nNon security issue fixed:\n\n- btrfs: account for pinned bytes in should_alloc_chunk (bsc#1077268)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Live-Patching-12-2018-395",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
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        "summary": "SUSE ratings",
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      },
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      },
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        "url": "https://lists.suse.com/pipermail/sle-security-updates/2018-March/003761.html"
      },
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        "summary": "SUSE Bug 1077268",
        "url": "https://bugzilla.suse.com/1077268"
      },
      {
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        "summary": "SUSE Bug 1077404",
        "url": "https://bugzilla.suse.com/1077404"
      },
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        "url": "https://www.suse.com/security/cve/CVE-2017-18075/"
      }
    ],
    "title": "Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP2)",
    "tracking": {
      "current_release_date": "2018-03-01T16:49:33Z",
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      },
      "id": "SUSE-SU-2018:0572-1",
      "initial_release_date": "2018-03-01T16:49:33Z",
      "revision_history": [
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          "date": "2018-03-01T16:49:33Z",
          "number": "1",
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      "status": "final",
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  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
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                "name": "kgraft-patch-4_4_90-92_45-default-4-2.1.x86_64",
                "product": {
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              }
            ],
            "category": "architecture",
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          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 12",
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  "vulnerabilities": [
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      "cve": "CVE-2017-18075",
      "ids": [
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          "text": "https://www.suse.com/security/cve/CVE-2017-18075"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12:kgraft-patch-4_4_90-92_45-default-4-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2017-18075",
          "url": "https://www.suse.com/security/cve/CVE-2017-18075"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1077402 for CVE-2017-18075",
          "url": "https://bugzilla.suse.com/1077402"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1077404 for CVE-2017-18075",
          "url": "https://bugzilla.suse.com/1077404"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1087082 for CVE-2017-18075",
          "url": "https://bugzilla.suse.com/1087082"
        }
      ],
      "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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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12:kgraft-patch-4_4_90-92_45-default-4-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-03-01T16:49:33Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2017-18075"
    }
  ]
}


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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.