qemu: CVE-2020-35517

Related Vulnerabilities: CVE-2020-35517  

Debian Bug report logs - #980814
qemu: CVE-2020-35517

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Fri, 22 Jan 2021 20:03:04 UTC

Severity: grave

Tags: security, upstream

Found in version qemu/1:5.2+dfsg-3

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, Debian QEMU Team <pkg-qemu-devel@lists.alioth.debian.org>:
Bug#980814; Package src:qemu. (Fri, 22 Jan 2021 20:03:06 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, Debian QEMU Team <pkg-qemu-devel@lists.alioth.debian.org>. (Fri, 22 Jan 2021 20:03:06 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: qemu: CVE-2020-35517
Date: Fri, 22 Jan 2021 21:00:05 +0100
Source: qemu
Version: 1:5.2+dfsg-3
Severity: grave
Tags: security upstream
Justification: user security hole
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for qemu, filling it with RC
severity due to the privilege escalation potential (it affects only
the version for bullseye and sid). I might oversee something, so just
beeing on the safe side here.

CVE-2020-35517[0]:
| virtiofsd: potential privileged host device access from guest

Patch TTBOMK not yet applied upstream.

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-2020-35517
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35517
[1] https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
[2] https://www.openwall.com/lists/oss-security/2021/01/22/1

Regards,
Salvatore



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