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[Bug 1880822] Re: CVE-2020-13253 QEMU: sd: OOB access could crash the gu
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From: |
Philippe Mathieu-Daudé |
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Subject: |
[Bug 1880822] Re: CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in DoS |
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Date: |
Wed, 27 May 2020 07:28:57 -0000 |
** Changed in: qemu
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1880822
Title:
CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in
DoS
Status in QEMU:
Confirmed
Bug description:
An out-of-bounds read access issue was found in the SD Memory Card
emulator of the QEMU. It occurs while performing block write commands
via sdhci_write(), if a guest user has sent 'address' which is OOB of
's->wp_groups'. A guest user/process may use this flaw to crash the
QEMU process resulting in DoS.
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