samba: CVE-2021-20316

Debian Bug report logs - #1004690
samba: CVE-2021-20316

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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: samba: CVE-2021-20316

Date: Mon, 31 Jan 2022 20:52:43 +0100

Source: samba
Version: 2:4.13.14+dfsg-1
Severity: grave
Tags: security upstream
Justification: user security hole
Forwarded: https://bugzilla.samba.org/show_bug.cgi?id=14842
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 2:4.13.13+dfsg-1~deb11u2
Control: found -1 2:4.9.5+dfsg-5+deb10u2

Hi,

The following vulnerability was published for samba.

CVE-2021-20316[0]:
| Symlink race error can allow metadata read and modify outside of the
| exported share.

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-2021-20316
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20316
[1] https://www.samba.org/samba/security/CVE-2021-20316.html
[2] https://bugzilla.samba.org/show_bug.cgi?id=14842

Regards,
Salvatore

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