CVE-2023-0458

Spectre V1 Gadget in do_prlimit in the Linux Kernel

Published Apr 26, 2023 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11

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-2023-12512 A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11
Ubuntu USN Ubuntu USN USN-6079-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6091-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6093-1 Linux kernel (BlueField) vulnerabilities
Ubuntu USN Ubuntu USN USN-6096-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6134-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6222-1 Linux kernel (Xilinx ZynqMP) vulnerabilities
Ubuntu USN Ubuntu USN USN-6254-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6256-1 Linux kernel (IoT) vulnerabilities
Ubuntu USN Ubuntu USN USN-6341-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6385-1 Linux kernel (OEM) 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
Google
Published
Updated
Feb 13, 2025, 4:38 PM
Reserved
Jan 24, 2023, 9:43 AM
Status
Modified
Published
Apr 26, 2023, 7:15 PM
Modified
Jun 17, 2026, 5:25 AM
Severity
Moderate
Public date
Jan 21, 2023, 12:00 AM