csaf_redhat - rhsa-2023

rhsa-2023_4020

Vulnerability from csaf_redhat

Published

2023-07-11 07:52

Modified

2024-11-15 13:35

Summary

Red Hat Security Advisory: kernel security and bug fix update

Notes

Topic

An update for kernel is now available for Red Hat Enterprise Linux 7.4 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: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564) 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. Bug Fix(es): * The iscsi target deadlocks when the same host acts as an initiator to itself (i.e. connects via 127.0.0.1) (BZ#2184012) * Double free issue in filelayout_alloc_commit_info (BZ#2212887) * RHEL 7.2 XFS inode cluster corruption (BZ#2213362)

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.

JSON

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        "text": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)\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.\n\nBug Fix(es):\n\n* The iscsi target deadlocks when the same host acts as an initiator to itself (i.e. connects via 127.0.0.1) (BZ#2184012)\n\n* Double free issue in filelayout_alloc_commit_info (BZ#2212887)\n\n* RHEL 7.2 XFS inode cluster corruption (BZ#2213362)",
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          "title": "Vulnerability description"
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          "text": "This issue is rated between Moderate and Important (similar to the CVE-2022-45934) because of no known attack, and the attack would be complex. Anyway, consider this CVE-2022-3564 as Important because the use-after-free can potentially lead to privilege escalation or a potential remote system crash (and currently, a read after-free that in most cases would not lead to a remote system crash).",
          "title": "Statement"
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          "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.",
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          "url": "https://access.redhat.com/errata/RHSA-2023:4020"
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      "title": "kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c"
    }
  ]
}

cve-2022-3564

Vulnerability from cvelistv5

Published

2022-10-17 00:00

Modified

2024-08-03 01:14

Severity ?

5.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Summary

Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free

References

▼	URL	Tags
	https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1
	https://vuldb.com/?id.211087
	https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html	mailing-list
	https://security.netapp.com/advisory/ntap-20221223-0001/
	https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html	mailing-list

Impacted products

▼	Vendor	Product
	Linux	Kernel

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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