rhsa-2022_0533
Vulnerability from csaf_redhat
Published
2022-02-15 09:53
Modified
2024-11-15 10:47
Summary
Red Hat Security Advisory: kpatch-patch security update

Notes

Topic
An update is now available for Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fix(es): * kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466) * kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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": "An update is now available for Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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          "category": "impact",
          "details": "Important"
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      "title": "kernel: use after free in eventpoll.c may lead to escalation of privilege"
    },
    {
      "acknowledgments": [
        {
          "names": [
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          "organization": "Virtuozzo Kernel team"
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      "cve": "CVE-2021-4155",
      "cwe": {
        "id": "CWE-131",
        "name": "Incorrect Calculation of Buffer Size"
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      "discovery_date": "2021-12-18T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2034813"
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      "notes": [
        {
          "category": "description",
          "text": "A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL",
          "title": "Vulnerability summary"
        },
        {
          "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"
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            "baseScore": 5.5,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
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            "7Server-7.6.E4S:kpatch-patch-3_10_0-957_84_1-0:1-2.el7.x86_64",
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            "7Server-7.6.E4S:kpatch-patch-3_10_0-957_86_1-0:1-1.el7.src",
            "7Server-7.6.E4S:kpatch-patch-3_10_0-957_86_1-0:1-1.el7.x86_64",
            "7Server-7.6.E4S:kpatch-patch-3_10_0-957_86_1-debuginfo-0:1-1.el7.ppc64le",
            "7Server-7.6.E4S:kpatch-patch-3_10_0-957_86_1-debuginfo-0:1-1.el7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL"
    }
  ]
}


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