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Bug 792624 (CVE-2020-35504, CVE-2020-35505, CVE-2020-35506) - <app-emulation/qemu-6.0.0: Multiple vulnerabilities (CVE-2020-{35504,35505,35506})
Summary: <app-emulation/qemu-6.0.0: Multiple vulnerabilities (CVE-2020-{35504,35505,35...
Status: RESOLVED FIXED
Alias: CVE-2020-35504, CVE-2020-35505, CVE-2020-35506
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Security
URL:
Whiteboard: B2 [glsa+ cve]
Keywords:
Depends on:
Blocks: CVE-2021-20263, CVE-2021-3409 CVE-2020-35517
  Show dependency tree
 
Reported: 2021-05-28 12:21 UTC by Sam James
Modified: 2022-08-14 16:11 UTC (History)
6 users (show)

See Also:
Package list:
app-emulation/qemu-6.0.0
Runtime testing required: ---


Attachments

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Description Sam James archtester Gentoo Infrastructure gentoo-dev Security 2021-05-28 12:21:49 UTC
* CVE-2020-35506

Description:
"A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process."

* CVE-2020-35505

Description:
"A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."

* CVE-2020-35504

Description:
"A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."
Comment 1 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2021-05-28 12:22:09 UTC
Please stable 6.0.0 when ready.
Comment 2 Agostino Sarubbo gentoo-dev 2021-06-06 07:15:02 UTC
amd64 stable
Comment 3 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2021-06-06 22:10:04 UTC
arm64 done
Comment 4 Sergei Trofimovich (RETIRED) gentoo-dev 2021-06-07 07:19:32 UTC
ppc64 stable
Comment 5 Agostino Sarubbo gentoo-dev 2021-06-08 12:09:43 UTC
x86 stable.

Maintainer(s), please cleanup.
Security, please add it to the existing request, or file a new one.
Comment 6 NATTkA bot gentoo-dev 2021-07-17 21:32:23 UTC
Unable to check for sanity:

> no match for package: app-emulation/qemu-6.0.0
Comment 7 John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2022-08-14 04:42:26 UTC
GLSA request filed
Comment 8 Larry the Git Cow gentoo-dev 2022-08-14 16:09:55 UTC
The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/data/glsa.git/commit/?id=fd3b0a54cba850267bd5f7ed0ac9f66f91aa44ac

commit fd3b0a54cba850267bd5f7ed0ac9f66f91aa44ac
Author:     GLSAMaker <glsamaker@gentoo.org>
AuthorDate: 2022-08-14 16:09:07 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2022-08-14 16:09:43 +0000

    [ GLSA 202208-27 ] QEMU: Multiple Vulnerabilities
    
    Bug: https://bugs.gentoo.org/733448
    Bug: https://bugs.gentoo.org/736605
    Bug: https://bugs.gentoo.org/773220
    Bug: https://bugs.gentoo.org/775713
    Bug: https://bugs.gentoo.org/780816
    Bug: https://bugs.gentoo.org/792624
    Bug: https://bugs.gentoo.org/807055
    Bug: https://bugs.gentoo.org/810544
    Bug: https://bugs.gentoo.org/820743
    Bug: https://bugs.gentoo.org/835607
    Bug: https://bugs.gentoo.org/839762
    Signed-off-by: GLSAMaker <glsamaker@gentoo.org>
    Signed-off-by: Sam James <sam@gentoo.org>

 glsa-202208-27.xml | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
Comment 9 Sam James archtester Gentoo Infrastructure gentoo-dev Security 2022-08-14 16:11:55 UTC
GLSA done, all done.