suse-su-2022:4545-1
Vulnerability from csaf_suse
Published
2022-12-18 00:05
Modified
2022-12-18 00:05
Summary
Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP5)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP5)
Description of the patch
This update for the Linux Kernel 4.12.14-122_133 fixes several issues. The following security issues were fixed: - CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128). - CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207). - CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to cause a denial of service (bsc#1204439). - CVE-2022-3545: Fixed a use-after-free in area_cache_get() of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415). - CVE-2022-41218: Fixed a use-after-free caused by refcount races, affecting dvb_demux_open() and dvb_dmxdev_release() in drivers/media/dvb-core/dmxdev.c (bsc#1202960).
Patchnames
SUSE-2022-4545,SUSE-SLE-Live-Patching-12-SP5-2022-4545
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": "This update for the Linux Kernel 4.12.14-122_133 fixes several issues.\n\nThe following security issues were fixed:\n\n- CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128).\n- CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).\n- CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to cause a denial of service (bsc#1204439).\n- CVE-2022-3545: Fixed a use-after-free in area_cache_get() of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415).\n- CVE-2022-41218: Fixed a use-after-free caused by refcount races, affecting dvb_demux_open() and dvb_dmxdev_release() in drivers/media/dvb-core/dmxdev.c (bsc#1202960).\n",
        "title": "Description of the patch"
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        "url": "https://www.suse.com/security/cve/CVE-2022-41218/"
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        "url": "https://www.suse.com/security/cve/CVE-2022-4378/"
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        "url": "https://www.suse.com/security/cve/CVE-2022-43945/"
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    "title": "Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP5)",
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  "vulnerabilities": [
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      "cve": "CVE-2022-3545",
      "ids": [
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-3545"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A vulnerability has been found in Linux Kernel and classified as critical. Affected by this vulnerability is the function area_cache_get of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier VDB-211045 was assigned to this vulnerability.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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        ]
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          "summary": "CVE-2022-3545",
          "url": "https://www.suse.com/security/cve/CVE-2022-3545"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1204415 for CVE-2022-3545",
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        {
          "category": "external",
          "summary": "SUSE Bug 1204424 for CVE-2022-3545",
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        {
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          "url": "https://bugzilla.suse.com/1209225"
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        {
          "category": "external",
          "summary": "SUSE Bug 1217531 for CVE-2022-3545",
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        }
      ],
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          "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 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
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          "cvss_v3": {
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "text": "https://www.suse.com/security/cve/CVE-2022-3586"
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          "text": "A flaw was found in the Linux kernel\u0027s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.",
          "title": "CVE description"
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        {
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          "summary": "SUSE Bug 1208044 for CVE-2022-3586",
          "url": "https://bugzilla.suse.com/1208044"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1209225 for CVE-2022-3586",
          "url": "https://bugzilla.suse.com/1209225"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1212294 for CVE-2022-3586",
          "url": "https://bugzilla.suse.com/1212294"
        }
      ],
      "remediations": [
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            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
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      ],
      "scores": [
        {
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            "baseScore": 7,
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            "version": "3.1"
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    {
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          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-41218"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.",
          "title": "CVE description"
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      "product_status": {
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        ]
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        {
          "category": "external",
          "summary": "CVE-2022-41218",
          "url": "https://www.suse.com/security/cve/CVE-2022-41218"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1202960 for CVE-2022-41218",
          "url": "https://bugzilla.suse.com/1202960"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1203606 for CVE-2022-41218",
          "url": "https://bugzilla.suse.com/1203606"
        },
        {
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          "summary": "SUSE Bug 1205313 for CVE-2022-41218",
          "url": "https://bugzilla.suse.com/1205313"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1209225 for CVE-2022-41218",
          "url": "https://bugzilla.suse.com/1209225"
        }
      ],
      "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 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
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          "category": "impact",
          "date": "2022-12-18T00:05:33Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-41218"
    },
    {
      "cve": "CVE-2022-4378",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-4378"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A stack overflow flaw was found in the Linux kernel\u0027s SYSCTL subsystem in how a user changes certain kernel parameters and variables. This flaw allows a local user to crash or potentially escalate their privileges on the system.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
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        ]
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          "summary": "CVE-2022-4378",
          "url": "https://www.suse.com/security/cve/CVE-2022-4378"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1206207 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1206207"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1206228 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1206228"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208030 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1208030"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208085 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1208085"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1209225 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1209225"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1211118 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1211118"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1214268 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1214268"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218483 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1218483"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1218966 for CVE-2022-4378",
          "url": "https://bugzilla.suse.com/1218966"
        }
      ],
      "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 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-12-18T00:05:33Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-4378"
    },
    {
      "cve": "CVE-2022-43945",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2022-43945"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The Linux kernel NFSD implementation prior to versions 5.19.17 and 6.0.2 are vulnerable to buffer overflow. NFSD tracks the number of pages held by each NFSD thread by combining the receive and send buffers of a remote procedure call (RPC) into a single array of pages. A client can force the send buffer to shrink by sending an RPC message over TCP with garbage data added at the end of the message. The RPC message with garbage data is still correctly formed according to the specification and is passed forward to handlers. Vulnerable code in NFSD is not expecting the oversized request and writes beyond the allocated buffer space. CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
          "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2022-43945",
          "url": "https://www.suse.com/security/cve/CVE-2022-43945"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1205128 for CVE-2022-43945",
          "url": "https://bugzilla.suse.com/1205128"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1205130 for CVE-2022-43945",
          "url": "https://bugzilla.suse.com/1205130"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208030 for CVE-2022-43945",
          "url": "https://bugzilla.suse.com/1208030"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1208085 for CVE-2022-43945",
          "url": "https://bugzilla.suse.com/1208085"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1209225 for CVE-2022-43945",
          "url": "https://bugzilla.suse.com/1209225"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1210124 for CVE-2022-43945",
          "url": "https://bugzilla.suse.com/1210124"
        }
      ],
      "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 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.s390x",
            "SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_133-default-3-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2022-12-18T00:05:33Z",
          "details": "important"
        }
      ],
      "title": "CVE-2022-43945"
    }
  ]
}


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