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        "category": "summary",
        "text": "Updated kernel packages are now available that contain fixes for security\nvulnerabilities as well as fixes for bugs in the audigy, cmd640 IDE, and USB\ndrivers.",
        "title": "Topic"
      },
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        "text": "The Linux kernel handles the basic functions of the operating system.\n\nSeveral security issues have been found that affect the Linux kernel:\n\nAl Viro found a security issue in the tty layer whereby any user could\ncause a kernel oops.   The Common Vulnerabilities and Exposures project\n(cve.mitre.org) has assigned the name CAN-2002-0247 to this issue.\n\nAndrea Arcangeli found an issue in the low-level mxcsr code in which a\nmalformed address would leave garbage in cpu state registers. The Common\nVulnerabilities and Exposures project (cve.mitre.org) has assigned the name\nCAN-2003-0248 to this issue.\n\nThe TCP/IP fragment reassembly handling allows remote attackers to cause\na denial of service (CPU consumption) via packets that cause a large number\nof hash table collisions, a vulnerability similar to CAN-2003-0244.  The\nCommon Vulnerabilities and Exposures project (cve.mitre.org) has assigned\nthe name CAN-2003-0364 to this issue.\n\nIt is recommended that users upgrade to these erratum kernels, which\ncontain patches to correct these vulnerabilities.  In addition, these\nkernels fix a number of bugs:\n\nDriver bugs fixes are included for the Silicon Image IDE driver, the USB\nohci driver, the Audigy driver, and the driver for the Olympus Camedia\ndigital camera.\n\nA fix written by Andrew Morton is included to address a system stall caused\nby file I/O in rare cases.\n\nAn updated fix corrects some bugs in the ptrace security fix for Red Hat\nLinux 7.1, 7.2, 7.3, and 8.0.  Note that these bugs were functionality\nlimitations, not additional security vulnerabilities.\n\nUpdated fixes for the ioperm security issue are also included.\n\nA potential data corruption scenario has been identified. This\nscenario can occur under heavy, complex I/O loads.  The scenario\nonly occurs while performing memory mapped file I/O, where the\nfile is simultaneously unlinked and the corresponding file blocks\nreallocated. Furthermore, the memory mapped writes must be to a\npartial page at the end of a file on an ext3 file system. As such,\nRed Hat considers this an unlikely scenario.\n\nRed Hat Linux kernel erratum RHSA-2003:172 exposed a bug in the quota\npackages for Red Hat Linux 7.1, 7.2 and 7.3; a fixed quota package is also\nincluded in this erratum.",
        "title": "Details"
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        "text": "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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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_187.json"
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          "category": "vendor_fix",
          "date": "2003-06-03T10:40:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo use Red Hat Network to upgrade the kernel, launch the Red Hat Update\nAgent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.  Note that you need to select the\nkernel explicitly if you are using the default configuration of up2date.\n\nTo install kernel packages manually, use \"rpm -ivh \u003cpackage\u003e\" and\nmodify system settings to boot the kernel you have installed.  To\ndo this, edit /boot/grub/grub.conf and change the default entry to\n\"default=0\" (or, if you have chosen to use LILO as your boot loader,\nedit /etc/lilo.conf and run lilo)\n\nDo not use \"rpm -Uvh\" as that will remove your running kernel binaries\nfrom your system.  You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
          "product_ids": [
            "Red Hat Linux 7.1",
            "Red Hat Linux 7.2",
            "Red Hat Linux 7.3",
            "Red Hat Linux 8.0",
            "Red Hat Linux 9"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2003:187"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "security flaw"
    }
  ]
}