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debianDebianDEBIAN:DSA-4942-1:08EDC
HistoryJul 20, 2021 - 12:53 p.m.

[SECURITY] [DSA 4942-1] systemd security update

2021-07-2012:53:51
lists.debian.org
85

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

JSON

Debian Security Advisory DSA-4942-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
July 20, 2021 https://www.debian.org/security/faq

Package : systemd
CVE ID : CVE-2021-33910

The Qualys Research Labs discovered that an attacker-controlled
allocation using the alloca() function could result in memory
corruption, allowing to crash systemd and hence the entire operating
system.

Details can be found in the Qualys advisory at
https://www.qualys.com/2021/07/20/cve-2021-33910/denial-of-service-systemd.txt

For the stable distribution (buster), this problem has been fixed in
version 241-7~deb10u8.

We recommend that you upgrade your systemd packages.

For the detailed security status of systemd please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/systemd

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

OSVersionArchitecturePackageVersionFilename
Debian9armeludev< 232-25+deb9u13udev_232-25+deb9u13_armel.deb
Debian9armellibsystemd0< 232-25+deb9u13libsystemd0_232-25+deb9u13_armel.deb
Debian10armhflibsystemd-dev< 241-7~deb10u8libsystemd-dev_241-7~deb10u8_armhf.deb
Debian10arm64systemd-coredump< 241-7~deb10u8systemd-coredump_241-7~deb10u8_arm64.deb
Debian10amd64libpam-systemd< 241-7~deb10u8libpam-systemd_241-7~deb10u8_amd64.deb
Debian10mipselsystemd-tests-dbgsym< 241-7~deb10u8systemd-tests-dbgsym_241-7~deb10u8_mipsel.deb
Debian10armhfsystemd-container-dbgsym< 241-7~deb10u8systemd-container-dbgsym_241-7~deb10u8_armhf.deb
Debian10mips64elsystemd-container-dbgsym< 241-7~deb10u8systemd-container-dbgsym_241-7~deb10u8_mips64el.deb
Debian10s390xlibpam-systemd< 241-7~deb10u8libpam-systemd_241-7~deb10u8_s390x.deb
Debian9armhflibsystemd0< 232-25+deb9u13libsystemd0_232-25+deb9u13_armhf.deb
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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

JSON
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