ALT-PU-2025-7691-2

Package update systemd in branch sisyphus

Version257.6-alt1

Published2026-02-04

Max severityMEDIUM

Severity:

Closed issues (2)

MEDIUM4.7

Уязвимость службы systemd-coredump демона Systemd, позволяющая нарушителю оказать воздействие на конфиденциальность защищаемой информации

Published: 2025-06-13Modified: 2026-04-20

CVSS 3.xMEDIUM 4.7

CVSS:3.x/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS 2.0LOW 3.8

CVSS:2.0/AV:L/AC:H/Au:S/C:C/I:N/A:N

References

CVE-2025-4598

MEDIUM4.7

A vulnerability was found in systemd-coredump. This flaw allows an attacker to force a SUID process to crash and replace it with a non-SUID binary to access the original's privileged process coredump, allowing the attacker to read sensitive data, such as /etc/shadow content, loaded by the original process. A SUID binary or process has a special type of permission, which allows the process to run with the file owner's permissions, regardless of the user executing the binary. This allows the process to access more restricted data than unprivileged users or processes would be able to. An attacker can leverage this flaw by forcing a SUID process to crash and force the Linux kernel to recycle the process PID before systemd-coredump can analyze the /proc/pid/auxv file. If the attacker wins the race condition, they gain access to the original's SUID process coredump file. They can read sensitive content loaded into memory by the original binary, affecting data confidentiality.

Published: 2025-05-30Modified: 2026-02-02

CVSS 3.xMEDIUM 4.7

CVSS:3.x/CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

References