Security readout for executives and security teams
Plain-English summary
CVE-2019-19725 is a memory-handling flaw in sysstat, a Linux performance monitoring package. Public sources say sysstat through 12.2.0 has a double free in sa_common.c. The business risk is mainly legacy Linux exposure where vendor security updates were not applied.
Executive priority
Handle through normal vulnerability remediation, with priority increased for multi-user Linux servers or unmanaged legacy systems. There is no provided evidence of active exploitation, but vendor advisories indicate the flaw warranted security updates across major distributions.
Technical view
The CVE describes a double free in check_file_actlst in sysstat sa_common.c affecting sysstat through 12.2.0. The provided sources do not include CVSS, CWE, detailed attack prerequisites, or confirmed impact beyond the memory-management flaw. Ubuntu, Gentoo, and Debian LTS published security advisories.
Likely exposure
Exposure is most likely on Linux hosts with sysstat installed at or below version 12.2.0, or distro packages predating relevant security advisories. Cloud images, servers, and monitoring-oriented systems may include sysstat, but the bundle does not prove default installation.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. It also does not provide exploit details, attacker position, or reliable impact claims. Treat this as a patch-management and legacy package risk unless vendor advisories identify stronger local exposure.
Researcher notes
Evidence is sparse: the CVE names a double free in check_file_actlst, but the bundle omits CVSS, CWE, exploitability, and impact details. Use distro advisories and package metadata for exact fixed builds. Do not infer remote exploitability from the provided record.
Mitigation direction
- Inventory Linux hosts for installed sysstat packages.
- Apply relevant Ubuntu, Gentoo, Debian, or other vendor security updates.
- Upgrade sysstat beyond affected versions when vendor guidance supports it.
- Prioritize internet-facing and multi-user Linux systems for package review.
- Monitor vendor advisories for any corrected package backports.
Validation and detection
- Confirm installed sysstat package versions and distro release revisions.
- Verify affected versions through 12.2.0 are absent or vendor-fixed.
- Check vulnerability scanner findings against distro advisory status.
- Review package update logs for the applicable sysstat security update.
- Document exceptions where sysstat remains installed but unfixed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-19725 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/sysstat/sysstat/issues/242CVE reference
- USN-4242-1CVE reference · vendor-advisory
- GLSA-202007-22CVE reference · vendor-advisory
- [debian-lts-announce] 20221113 [SECURITY] [DLA 3188-1] sysstat security updateCVE reference · mailing-list
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
