rhsa-2024_1533
Vulnerability from csaf_redhat
Published
2024-03-27 00:15
Modified
2024-11-06 05:21
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update

Notes

Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (CVE-2024-0565) * kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602) Bug Fix(es): * kernel-rt: kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (JIRA:RHEL-22083) * kernel-rt: update RT source tree to the latest RHEL-9.2.z7 Batch (JIRA:RHEL-28866) * [RHEL9.3 nightly] NMI panic sometimes fails to start the 2nd kernel for kdump (JIRA:RHEL-24448) * kernel-rt: kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (JIRA:RHEL-26382)
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 out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.",
          "title": "Vulnerability description"
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          "text": "kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client",
          "title": "Vulnerability summary"
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          "category": "other",
          "text": "This vulnerability considered being Moderate impact because of limitations for attack scenario.",
          "title": "Statement"
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        {
          "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.",
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          "text": "A flaw was found in sys_membarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier",
          "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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          "url": "https://access.redhat.com/security/cve/CVE-2024-26602"
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          "url": "https://lore.kernel.org/linux-cve-announce/2024022414-CVE-2024-26602-5e76@gregkh/"
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      "title": "kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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