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CVE-2022-48646

sfc/siena: fix null pointer dereference in efx_hard_start_xmit

MEDIUM
6.2
CVSS Score
Published: April 28, 2024 at 01:00 PM UTC
Updated: June 17, 2026 at 05:15 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efx_hard_start_xmit Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.

Affected

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

Linux Kernel· Linux
95%
5.10 ≤ v < 5.19.125.10 ≤ v < 6.012804793b17c0e19115a90d98f2f3df0cb79e2336.0 rc16.0 rc26.0 rc36.0 rc46.0 rc56.0 rc6
Vendor states this is fixed in 589c6eded10c77a12b7b2cf235b6b19a2bdb91fa (fixed)
Vendor states this is fixed in a4eadca702dff0768dd01be6789bbec2a18e5b0a (fixed)
Vendor states this is fixed in 5.10 (unaffected)
Vendor states this is fixed in 5.19.12 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.2MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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