01 Record
CVE-2026-19595
Zephyr RTIO syscall verifier validates output parameters for read instead of write access
MediumPUBLISHEDCNA: zephyr
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
02 Description
Zephyr RTIO syscall verifier validates output parameters for read instead of write access
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
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
- NVD analysis status
- Received. NVD last modified this record on 2026-10-19.
- 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
- 2026-10-19 22:49Z1 HR AGO
- Last updated
- 2026-10-19 22:49Z1 HR AGO
- Reserved
- 2026-08-12
- Assigning CNA
- zephyr
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.1)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
- Weaknesses
- Data version
- 5.2
- Document digest
- cc2d77c829190f355df23deb383d1995b3201e03bc4a31db5c71a2ebcce07777
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comFix commithttps://github.com/zephyrproject-rtos/zephyr/commit/bea93400138362691403b7f81de1e9048681547d
- github.comGHSA-7337-mc44-5wjmhttps://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7337-mc44-5wjm