CVE-2001-0734 — Hitachi Super-H architecture in NetBSD 1.5 and 1.4.1 allows a local user to gain privileges via modified Status Register contents, which are not properly handled by (1) the sigreturn system call or (2) the process_write_regs kernel routine

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HIGH

Hitachi Super-H architecture in NetBSD 1.5 and 1.4.1 allows a local user to gain privileges via modified Status Register contents, which are not properly handled by (1) the sigreturn system call or (2) the process_write_regs kernel routine

Published Oct 12, 2001

7.2

HIGH

CVSS 2.0

EPSS 0.36%

Description

Hitachi Super-H architecture in NetBSD 1.5 and 1.4.1 allows a local user to gain privileges via modified Status Register contents, which are not properly handled by (1) the sigreturn system call or (2) the process_write_regs kernel routine.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.36% 0.00363

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00363

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.36% (0.00363)	27.80th	v5 (v2026.06.15)
Jun 15, 2026	0.36% (0.00363)	27.97th	v5 (v2026.06.15)
Mar 17, 2025	0.05% (0.00050)	12.66th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00890)	30.33th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00890)	28.64th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00890)	26.62th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00890)	12.04th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-008.txt.asc
vendor-advisoryx_refsource_NETBSDPatchVendor Advisory
http://www.securityfocus.com/bid/2810
vdb-entryx_refsource_BIDPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6637
vdb-entryx_refsource_XF

Link	Providers	Tags
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2001-008.txt.asc		vendor-advisoryx_refsource_NETBSDPatchVendor Advisory
http://www.securityfocus.com/bid/2810		vdb-entryx_refsource_BIDPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6637		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 12, 2001

Updated Aug 8, 2024

Reserved Oct 12, 2001

Link CVE-2001-0734

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2001-0734

Red Hat

Severity n/a

Public date n/a

Links CVE-2001-0734