CVE-2023-0469

MEDIUM
5.5
CVSS Score
Published: January 25, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:25 AM UTC
2 products affected across 2 vendorsLinux KernelKernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A use-after-free flaw was found in io_uring/filetable.c in io_install_fixed_file in the io_uring subcomponent in the Linux Kernel during call cleanup. This flaw may lead to a denial of service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Affected range stops below 6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

ExploitIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2163723

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-191CWE-416

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