suse-su-2020:3449-1
Vulnerability from csaf_suse
Published
2020-11-19 16:20
Modified
2020-11-19 16:20
Summary
Security update for the Linux Kernel (Live Patch 16 for SLE 15)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 16 for SLE 15)
Description of the patch
This update for the Linux Kernel 4.12.14-150_41 fixes several issues. The following security issues were fixed: - CVE-2017-1000405: Fixed a bug in the THP CoW support that could have been used by local attackers to corrupt memory of other processes and cause them to crash (bsc#1178264, bsc#1069496, bsc#1070307). - CVE-2020-0430: Fixed an OOB read in skb_headlen of /include/linux/skbuff.h (bsc#1176723, bsc#1178003). - CVE-2020-12351: Fixed a type confusion while processing AMP packets aka 'BleedingTooth' aka 'BadKarma' (bsc#1177724, bsc#1177729, bsc#1178397). - CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bnc#1177513).
Patchnames
SUSE-2020-3449,SUSE-SLE-Live-Patching-12-SP4-2020-3449,SUSE-SLE-Module-Live-Patching-15-2020-3440
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": "https://www.suse.com/security/cve/CVE-2017-1000405"
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      "notes": [
        {
          "category": "general",
          "text": "The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmd_mkdirty() in the touch_pmd() function inside the THP implementation. touch_pmd() can be reached by get_user_pages(). In such case, the pmd will become dirty. This scenario breaks the new can_follow_write_pmd()\u0027s logic - pmd can become dirty without going through a COW cycle. This bug is not as severe as the original \"Dirty cow\" because an ext4 file (or any other regular file) cannot be mapped using THP. Nevertheless, it does allow us to overwrite read-only huge pages. For example, the zero huge page and sealed shmem files can be overwritten (since their mapping can be populated using THP). Note that after the first write page-fault to the zero page, it will be replaced with a new fresh (and zeroed) thp.",
          "title": "CVE description"
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          "text": "In skb_headlen of /include/linux/skbuff.h, there is a possible out of bounds read due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-153881554",
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          "summary": "SUSE Bug 1176723 for CVE-2020-0430",
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          "text": "https://www.suse.com/security/cve/CVE-2020-12351"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Improper input validation in BlueZ may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.",
          "title": "CVE description"
        }
      ],
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          "url": "https://www.suse.com/security/cve/CVE-2020-12351"
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        {
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          "summary": "SUSE Bug 1177724 for CVE-2020-12351",
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          "summary": "SUSE Bug 1177729 for CVE-2020-12351",
          "url": "https://bugzilla.suse.com/1177729"
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          "url": "https://bugzilla.suse.com/1178397"
        }
      ],
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-150_41-default-8-2.2.x86_64"
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          "date": "2020-11-19T16:20:50Z",
          "details": "important"
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      "title": "CVE-2020-12351"
    },
    {
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      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2020-25645"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.",
          "title": "CVE description"
        }
      ],
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          "summary": "CVE-2020-25645",
          "url": "https://www.suse.com/security/cve/CVE-2020-25645"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1177511 for CVE-2020-25645",
          "url": "https://bugzilla.suse.com/1177511"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1177513 for CVE-2020-25645",
          "url": "https://bugzilla.suse.com/1177513"
        }
      ],
      "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": [
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_40-default-8-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_40-default-8-2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-150_41-default-8-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-150_41-default-8-2.2.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_40-default-8-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP4:kgraft-patch-4_12_14-95_40-default-8-2.2.x86_64",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-150_41-default-8-2.2.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-150_41-default-8-2.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2020-11-19T16:20:50Z",
          "details": "important"
        }
      ],
      "title": "CVE-2020-25645"
    }
  ]
}


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