Source: qemu
X-Debbugs-CC: [email protected]
Severity: important
Tags: security

Hi,

The following vulnerability was published for qemu.

CVE-2022-3872[0]:
| An off-by-one read/write issue was found in the SDHCI device of QEMU.
| It occurs when reading/writing the Buffer Data Port Register in
| sdhci_read_dataport and sdhci_write_dataport, respectively, if
| data_count == block_size. A malicious guest could use this flaw to
| crash the QEMU process on the host, resulting in a denial of service
| condition.

https://bugzilla.redhat.com/show_bug.cgi?id=2140567
https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.html
https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg01161.html

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2022-3872
    https://www.cve.org/CVERecord?id=CVE-2022-3872

Please adjust the affected versions in the BTS as needed.

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