csaf_redhat - rhsa-2023

rhsa-2023_7243

Vulnerability from csaf_redhat

Published

2023-11-15 17:46

Modified

2024-11-15 17:35

Summary

Red Hat Security Advisory: kernel security update

Notes

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support. 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

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001) 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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        "name": "Out-of-bounds Read"
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      "discovery_date": "2023-07-06T00:00:00+00:00",
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          "text": "2220892"
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          "category": "description",
          "text": "An out-of-bounds (OOB) memory access flaw was found in the Netfilter module in the Linux kernel\u0027s nft_byteorder_eval in net/netfilter/nft_byteorder.c. A bound check failure allows a local attacker with CAP_NET_ADMIN access to cause a local privilege escalation issue due to incorrect data alignment.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Exploiting this flaw will require the CAP_NET_ADMIN access privilege in any user or network namespace.",
          "title": "Statement"
        },
        {
          "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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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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          "category": "impact",
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      "title": "kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval()"
    }
  ]
}

cve-2023-35001

Vulnerability from cvelistv5

Published

2023-07-05 18:35

Modified

2024-08-02 16:17

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace

References

▼	URL	Tags
	https://lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/	issue-tracking
	https://www.openwall.com/lists/oss-security/2023/07/05/3	mailing-list
	http://www.openwall.com/lists/oss-security/2023/07/05/3
	https://www.debian.org/security/2023/dsa-5453
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/
	http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
	https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
	https://security.netapp.com/advisory/ntap-20230824-0007/
	http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
	https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html

Impacted products

Vendor

Product

Version

▼

Linux

Linux Kernel

Version: v3.13-rc1

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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