SARA / Free Tools / CVE / CVE-2019-3815

CVE-2019-3815 — A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this f

CVSS
3.3 LOW
EPSS
0.12% (top 68.40%)
CWE
CWE-401
Published
2019-01-28T15:00:00.000Z
Last modified
2024-08-04T19:19:18.592Z
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

01What is this vulnerability?

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the `_CMDLINE=` entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

02Affected products

VendorProductVersions
The systemd Projectsystemdv219-62.2 and newer

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2018-16864
Cited in vendor advisory

08Timeline

09References

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