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
0.0004 Low
EPSS
Percentile
8.6%
Debian LTS Advisory DLA-2715-1 [email protected]
https://www.debian.org/lts/security/ Salvatore Bonaccorso
July 20, 2021 https://wiki.debian.org/LTS
Package : systemd
Version : 232-25+deb9u13
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 Debian 9 stretch, this problem has been fixed in version
232-25+deb9u13.
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 LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | armel | libnss-mymachines | < 241-7~deb10u8 | libnss-mymachines_241-7~deb10u8_armel.deb |
Debian | 10 | armhf | libpam-systemd | < 241-7~deb10u8 | libpam-systemd_241-7~deb10u8_armhf.deb |
Debian | 10 | amd64 | udev-dbgsym | < 241-7~deb10u8 | udev-dbgsym_241-7~deb10u8_amd64.deb |
Debian | 10 | ppc64el | libudev1 | < 241-7~deb10u8 | libudev1_241-7~deb10u8_ppc64el.deb |
Debian | 10 | s390x | libnss-mymachines | < 241-7~deb10u8 | libnss-mymachines_241-7~deb10u8_s390x.deb |
Debian | 10 | mipsel | libnss-resolve-dbgsym | < 241-7~deb10u8 | libnss-resolve-dbgsym_241-7~deb10u8_mipsel.deb |
Debian | 10 | amd64 | libnss-resolve | < 241-7~deb10u8 | libnss-resolve_241-7~deb10u8_amd64.deb |
Debian | 10 | mipsel | systemd-tests-dbgsym | < 241-7~deb10u8 | systemd-tests-dbgsym_241-7~deb10u8_mipsel.deb |
Debian | 10 | mips | systemd-container-dbgsym | < 241-7~deb10u8 | systemd-container-dbgsym_241-7~deb10u8_mips.deb |
Debian | 10 | mips64el | systemd | < 241-7~deb10u8 | systemd_241-7~deb10u8_mips64el.deb |
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
0.0004 Low
EPSS
Percentile
8.6%