CVE-2023-1195

kernel: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c

Published May 18, 2023 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-23475 A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.
Ubuntu USN Ubuntu USN USN-5970-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5979-1 Linux kernel (HWE) vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Mar 18, 2025, 6:38 PM
Reserved
Mar 6, 2023, 12:00 AM
Status
Modified
Published
May 18, 2023, 10:15 PM
Modified
Jun 17, 2026, 5:27 AM
Severity
Moderate
Public date
Oct 2, 2022, 6:30 AM