csaf_redhat - rhsa-2021

rhsa-2021_2716

Vulnerability from csaf_redhat

Published

2021-07-21 00:24

Modified

2024-09-13 20:28

Summary

Red Hat Security Advisory: kpatch-patch security update

Notes

Topic

An update is now available for Red Hat Enterprise Linux 8. 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: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909) * kernel: race condition for removal of the HCI controller (CVE-2021-32399) 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.

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": "Important"
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    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "text": "An update is now available for Red Hat Enterprise Linux 8.\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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        "text": "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.\n\nSecurity Fix(es):\n\n* kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)\n\n* kernel: race condition for removal of the HCI controller (CVE-2021-32399)\n\nFor 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.",
        "title": "Details"
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      {
        "category": "legal_disclaimer",
        "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.",
        "title": "Terms of Use"
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}

cve-2021-32399

Vulnerability from cvelistv5

Published

2021-05-10 21:19

Modified

2024-08-03 23:17

Severity

Summary

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

References

URL	Tags
https://github.com/torvalds/linux/commit/e2cb6b891ad2b8caa9131e3be70f45243df82a80	x_refsource_MISC
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e2cb6b891ad2b8caa9131e3be70f45243df82a80	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/05/11/2	mailing-list, x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20210622-0006/	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html	mailing-list, x_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html	mailing-list, x_refsource_MLIST

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

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cve-2021-33909

Vulnerability from cvelistv5

Published

2021-07-20 18:01

Modified

2024-08-04 00:05

Severity

Summary

fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05.

References

URL	Tags
https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html	mailing-list, x_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html	mailing-list, x_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html	mailing-list, x_refsource_MLIST
https://www.debian.org/security/2021/dsa-4941	vendor-advisory, x_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z4UHHIGISO3FVRF4CQNJS4IKA25ATSFU/	vendor-advisory, x_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2021/07/22/7	mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/08/25/10	mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/17/2	mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/17/4	mailing-list, x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/09/21/1	mailing-list, x_refsource_MLIST
https://www.oracle.com/security-alerts/cpujan2022.html	x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/07/20/1	x_refsource_MISC
https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b	x_refsource_CONFIRM
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4	x_refsource_CONFIRM
http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html	x_refsource_MISC
http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html	x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210819-0004/	x_refsource_CONFIRM
http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html	x_refsource_MISC
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html	x_refsource_MISC
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015	x_refsource_CONFIRM

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

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              "name": "[oss-security] 20210825 Re: CVE-2021-33909: size_t-to-int vulnerability in Linux\u0027s filesystem layer",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/08/25/10"
            },
            {
              "name": "[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/09/17/2"
            },
            {
              "name": "[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/09/17/4"
            },
            {
              "name": "[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2021/09/21/1"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpujan2022.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2021/07/20/1",
              "refsource": "MISC",
              "url": "https://www.openwall.com/lists/oss-security/2021/07/20/1"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b",
              "refsource": "CONFIRM",
              "url": "https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b"
            },
            {
              "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4",
              "refsource": "CONFIRM",
              "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4"
            },
            {
              "name": "http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210819-0004/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210819-0004/"
            },
            {
              "name": "http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html"
            },
            {
              "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015",
              "refsource": "CONFIRM",
              "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-33909",
    "datePublished": "2021-07-20T18:01:34",
    "dateReserved": "2021-06-07T00:00:00",
    "dateUpdated": "2024-08-04T00:05:52.143Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Action not permitted

rhsa-2021_2716

Vulnerability from csaf_redhat

cve-2021-32399

Vulnerability from cvelistv5

cve-2021-33909

Vulnerability from cvelistv5

Tags