Bug 1838546 (CVE-2020-13253) - CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in DoS
Summary: CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in DoS
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-13253
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1838547 1838548
Blocks: 1836104
TreeView+ depends on / blocked
 
Reported: 2020-05-21 10:48 UTC by Prasad J Pandit
Modified: 2020-05-27 19:55 UTC (History)
30 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read-access flaw was found in the SD Memory Card emulator of the QEMU. This flaw occurs while performing block write commands via sdhci_write(), if a guest user has sent an 'address' which is out-of-bounds of 's->wp_groups'. A guest user or process may use this flaw to crash the QEMU process resulting in a denial of service.
Clone Of:
Environment:
Last Closed: 2020-05-21 15:15:25 UTC


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Description Prasad J Pandit 2020-05-21 10:48:19 UTC
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.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html

Comment 1 Prasad J Pandit 2020-05-21 10:49:08 UTC
Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 1838547]


Created xen tracking bugs for this issue:

Affects: fedora-all [bug 1838548]

Comment 2 Prasad J Pandit 2020-05-21 18:32:05 UTC
Acknowledgments:

Name: Alexander Bulekov


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