01 Record

CVE-2019-5595

In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially

UnratedPUBLISHEDCNA: freebsd

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.34% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 28.0% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2019-02-12 05:00Z7 YR AGO

Last updated

2024-08-04 20:01Z2 YR AGO

Reserved

2019-01-07

Assigning CNA

freebsd

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-459Incomplete CleanupBase

Data version

5.1

Document digest

997a65762cab8531ea00c7e42c603e8ccbe3cafeaa173e506417c44bb4ada17e

05 Affected products

VendorProductVersionsPlatforms

FreeBSDFreeBSDFreeBSD 11.2 before 11.2-RELEASE-p9 and 12.0 before 12.0-RELEASE-p3—

06 References

security.freebsd.orgFreeBSD-SA-19:01https://security.FreeBSD.org/advisories/FreeBSD-SA-19:01.syscall.ascvendor-advisoryx_refsource_FREEBSD