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CVE details

CVE-2024-3447

A heap-based buffer overflow was found in the SDHCI device emulation of QEMU. The bug is triggered when both `s->data_count` and the size of `s->fifo_buffer` are set to 0x200, leading to an out-of-bound access. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

Score
6.0 medium
Published
2024-11-14
Links
NVD · cve.org

Affected ports (2)

PortPackageVersionStatusMaintainer
emulators/qemu-cheriqemu-cheri0.d20260108unaddressedbrooks@FreeBSD.org
emulators/qemu-user-staticqemu-user-static3.1.0_16unaddressedemulation@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>qemu-cheri</name>
	<range><lt>7.2.11</lt></range>
      </package>
      <package>
	<name>qemu-user-static</name>
	<range><lt>7.2.11</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>A heap-based buffer overflow was found in the SDHCI device emulation
	of QEMU. The bug is triggered when both `s->data_count` and the size
	of  `s->fifo_buffer` are set to 0x200, leading to an out-of-bound
	access. A malicious guest could use this flaw to crash the QEMU
	process on the host, resulting in a denial of service condition.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2024-3447</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2024-3447</url>
    </references>
    <dates>
      <discovery>2024-11-14</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>