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CVE-2023-3159

MEDIUM
6.7
CVSS Score
Published: June 12, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:13 AM UTC
2 products affected across 2 vendorsLinux KernelKernel

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.

Affected

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

Linux Kernel· Linux
95%
v < 5.185.185.18 rc15.18 rc25.18 rc35.18 rc45.18 rc5
Affected range stops below 5.18, so it looks safe — our inference, not a vendor statement
Kernel· Red Hat
60%
Kernel version prior to Kernel 5.18-rc6

Remediation

No guide yet

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

Patch and advisory references

References (1)

Patch
Source: [email protected]
https://github.com/torvalds/linux/commit/b7c81f80246fac44077166f3e07103affe6db8ff

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

6.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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