systemd 250 and 251 allows local users to achieve a systemd-coredump deadlock by triggering a crash that has a long backtrace. This occurs in parse_elf_object in shared/elf-util.c. The exploitation methodology is to crash a binary calling the same function recursively, and put it in a deeply nested directory to make its backtrace large enough to cause the deadlock. This must be done 16 times when MaxConnections=16 is set for the systemd/units/systemd-coredump.socket file.
References
Link | Resource |
---|---|
https://github.com/systemd/systemd/commit/076b807be472630692c5348c60d0c2b7b28ad437 | Patch Third Party Advisory |
https://github.com/systemd/systemd/pull/24853#issuecomment-1326561497 | Issue Tracking Patch Third Party Advisory |
https://github.com/systemd/systemd/pull/25055#issuecomment-1313733553 | Issue Tracking Patch Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MS5N5SLYAHKENLAJWYBDKU55ICU3SVZF/ |
Configurations
History
07 Nov 2023, 03:54
Type | Values Removed | Values Added |
---|---|---|
References |
|
|
01 Mar 2023, 14:27
Type | Values Removed | Values Added |
---|---|---|
CPE | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | |
First Time |
Fedoraproject
Fedoraproject fedora |
|
References | (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MS5N5SLYAHKENLAJWYBDKU55ICU3SVZF/ - Mailing List, Third Party Advisory |
31 Dec 2022, 03:15
Type | Values Removed | Values Added |
---|---|---|
References |
|
01 Dec 2022, 14:33
Type | Values Removed | Values Added |
---|---|---|
References | (MISC) https://github.com/systemd/systemd/pull/25055#issuecomment-1313733553 - Issue Tracking, Patch, Third Party Advisory | |
References | (MISC) https://github.com/systemd/systemd/pull/24853#issuecomment-1326561497 - Issue Tracking, Patch, Third Party Advisory | |
References | (MISC) https://github.com/systemd/systemd/commit/076b807be472630692c5348c60d0c2b7b28ad437 - Patch, Third Party Advisory | |
CWE | CWE-400 | |
First Time |
Systemd Project
Systemd Project systemd |
|
CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
CPE | cpe:2.3:a:systemd_project:systemd:252:rc1:*:*:*:*:*:* cpe:2.3:a:systemd_project:systemd:252:rc2:*:*:*:*:*:* cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* |
25 Nov 2022, 15:15
Type | Values Removed | Values Added |
---|---|---|
Summary | systemd 250 and 251 allows local users to achieve a systemd-coredump deadlock by triggering a crash that has a long backtrace. This occurs in parse_elf_object in shared/elf-util.c. The exploitation methodology is to crash a binary calling the same function recursively, and put it in a deeply nested directory to make its backtrace large enough to cause the deadlock. This must be done 16 times when MaxConnections=16 is set for the systemd/units/systemd-coredump.socket file. |
25 Nov 2022, 06:15
Type | Values Removed | Values Added |
---|---|---|
Summary | systemd 250 and 251 allows local users to achieve a systemd-coredump deadlock by triggering a crash that has a long backtrace. This occurs in parse_elf_object in shared/elf-util.c. The exploitation methodology is to crash a binary calling the same function recursively, and put it in a deeply nested directory to make its backtrace large enough to cause the deadlock. This must be done 16 times when MaxConnections=16 is set for the systemd/units/systemd-coredump.socket file. NOTE: there is some debate about the security relevance of this report because there are zero subscribers by default. | |
References |
|
23 Nov 2022, 23:15
Type | Values Removed | Values Added |
---|---|---|
New CVE |
Information
Published : 2022-11-23 23:15
Updated : 2023-12-10 14:48
NVD link : CVE-2022-45873
Mitre link : CVE-2022-45873
CVE.ORG link : CVE-2022-45873
JSON object : View
Products Affected
fedoraproject
- fedora
systemd_project
- systemd
CWE
CWE-400
Uncontrolled Resource Consumption