CVE-2023-3355

Null pointer dereference in submit_lookup_cmds() in drivers/gpu/drm/msm/msm_gem_submit.c

MEDIUM
5.5
CVSS Score
Published: June 28, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:13 AM UTC
3 products affected across 3 vendorsLinux KernelFedoraKernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A NULL pointer dereference flaw was found in the Linux kernel's drivers/gpu/drm/msm/msm_gem_submit.c code in the submit_lookup_cmds function, which fails because it lacks a check of the return value of kmalloc(). This issue allows a local user to crash the system.

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
All versions
All versions
Vendor states this is fixed in 6.1-rc8 (unaffected)

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-476

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