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CVE details

CVE-2024-24474

QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI command when an expected non-DMA transfer length is less than the length of the available FIFO data. This occurs in esp_do_nodma in hw/scsi/esp.c because of an underflow of async_len.

Score
8.8 high
Published
2024-02-20
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>8.2.0</lt></range>
      </package>
      <package>
	<name>qemu-user-static</name>
	<range><lt>8.2.0</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>QEMU before 8.2.0 has an integer underflow, and resultant buffer
	overflow, via a TI command when an expected non-DMA transfer length is
	less than the length of the available FIFO data. This occurs in
	esp_do_nodma in hw/scsi/esp.c because of an underflow of async_len.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2024-24474</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2024-24474</url>
    </references>
    <dates>
      <discovery>2024-02-20</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>