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redhatRedHatRHSA-2022:2074
HistoryMay 10, 2022 - 8:15 a.m.

(RHSA-2022:2074) Moderate: samba security, bug fix, and enhancement update

2022-05-1008:15:39
access.redhat.com
86
samba
security update
symlink race error

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:N/A:N

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.002

Percentile

55.2%

JSON

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.

The following packages have been upgraded to a later upstream version: samba (4.15.5). (BZ#2013596)

Security Fix(es):

  • samba: Symlink race error can allow metadata read and modify outside of the exported share (CVE-2021-20316)

  • samba: Information leak via symlinks of existance of files or directories outside of the exported share (CVE-2021-44141)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

OSVersionArchitecturePackageVersionFilename
RedHat8ppc64lesamba-debugsource< 4.15.5-5.el8samba-debugsource-4.15.5-5.el8.ppc64le.rpm
RedHat8ppc64lelibwbclient-devel< 4.15.5-5.el8libwbclient-devel-4.15.5-5.el8.ppc64le.rpm
RedHat8x86_64samba-krb5-printing< 4.15.5-5.el8samba-krb5-printing-4.15.5-5.el8.x86_64.rpm
RedHat8x86_64samba-winbind-krb5-locator< 4.15.5-5.el8samba-winbind-krb5-locator-4.15.5-5.el8.x86_64.rpm
RedHat8i686python3-samba< 4.15.5-5.el8python3-samba-4.15.5-5.el8.i686.rpm
RedHat8x86_64samba-test-libs-debuginfo< 4.15.5-5.el8samba-test-libs-debuginfo-4.15.5-5.el8.x86_64.rpm
RedHat8i686libwbclient-devel< 4.15.5-5.el8libwbclient-devel-4.15.5-5.el8.i686.rpm
RedHat8aarch64samba-libs< 4.15.5-5.el8samba-libs-4.15.5-5.el8.aarch64.rpm
RedHat8noarchsamba-common< 4.15.5-5.el8samba-common-4.15.5-5.el8.noarch.rpm
RedHat8x86_64python3-samba-test< 4.15.5-5.el8python3-samba-test-4.15.5-5.el8.x86_64.rpm
Rows per page:
1-10 of 1951

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CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:S/C:P/I:N/A:N

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.002

Percentile

55.2%

JSON
Related for RHSA-2022:2074
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