CVSS2
Attack Vector
LOCAL
Attack 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
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
AI Score
Confidence
High
EPSS
Percentile
10.1%
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]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | mipsel | libnss-mymachines | < 241-7~deb10u8 | libnss-mymachines_241-7~deb10u8_mipsel.deb |
Debian | 10 | mips | libudev1-dbgsym | < 241-7~deb10u8 | libudev1-dbgsym_241-7~deb10u8_mips.deb |
Debian | 10 | ppc64el | systemd-coredump | < 241-7~deb10u8 | systemd-coredump_241-7~deb10u8_ppc64el.deb |
Debian | 9 | armhf | libnss-myhostname | < 232-25+deb9u13 | libnss-myhostname_232-25+deb9u13_armhf.deb |
Debian | 9 | arm64 | systemd | < 232-25+deb9u13 | systemd_232-25+deb9u13_arm64.deb |
Debian | 10 | i386 | libsystemd0 | < 241-7~deb10u8 | libsystemd0_241-7~deb10u8_i386.deb |
Debian | 9 | amd64 | systemd-sysv | < 232-25+deb9u13 | systemd-sysv_232-25+deb9u13_amd64.deb |
Debian | 10 | mipsel | libudev1-udeb | < 241-7~deb10u8 | libudev1-udeb_241-7~deb10u8_mipsel.deb |
Debian | 9 | armhf | systemd-container | < 232-25+deb9u13 | systemd-container_232-25+deb9u13_armhf.deb |
Debian | 10 | s390x | libpam-systemd | < 241-7~deb10u8 | libpam-systemd_241-7~deb10u8_s390x.deb |
CVSS2
Attack Vector
LOCAL
Attack 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
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
AI Score
Confidence
High
EPSS
Percentile
10.1%