GSD-2021-42739

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A heap-based buffer overflow flaw was found in the Linux kernel FireDTV media card driver, where the user calls the CA_SEND_MSG ioctl. This flaw allows a local user of the host machine to crash the system or escalate privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Aliases
Aliases
CVE-2021-42739
To clipboard 

{
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    "description": "The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.",
    "id": "GSD-2021-42739",
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      "https://www.suse.com/security/cve/CVE-2021-42739.html",
      "https://www.debian.org/security/2022/dsa-5096",
      "https://access.redhat.com/errata/RHSA-2022:0065",
      "https://access.redhat.com/errata/RHSA-2022:0063",
      "https://ubuntu.com/security/CVE-2021-42739",
      "https://advisories.mageia.org/CVE-2021-42739.html",
      "https://security.archlinux.org/CVE-2021-42739",
      "https://linux.oracle.com/cve/CVE-2021-42739.html",
      "https://access.redhat.com/errata/RHSA-2022:1975",
      "https://access.redhat.com/errata/RHSA-2022:1988"
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      "remediation": "unknown",
      "reportConfidence": "confirmed",
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      "modified": "2023-12-13T01:23:06.581150Z",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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