CVE-2023-1859

kernel: Use after free in xen_9pfs_front_remove due to race condition

Published May 17, 2023 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3403-1 linux security update
Debian DLA Debian DLA DLA-3404-1 linux-5.10 security update
EUVD EUVD EUVD-2023-24061 A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.
Ubuntu USN Ubuntu USN USN-6056-1 Linux kernel (OEM) vulnerability
Ubuntu USN Ubuntu USN USN-6071-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6072-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6171-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6172-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6175-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6185-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6186-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6187-1 Linux kernel (IBM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6207-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6222-1 Linux kernel (Xilinx ZynqMP) vulnerabilities
Ubuntu USN Ubuntu USN USN-6223-1 Linux kernel (Azure CVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6252-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6256-1 Linux kernel (IoT) 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, 6:57 PM
Reserved
Apr 5, 2023, 12:00 AM
Status
Modified
Published
May 17, 2023, 11:15 PM
Modified
Jun 17, 2026, 5:28 AM
Severity
Low
Public date
Apr 4, 2023, 12:00 AM