CVE-2024-44988

net: dsa: mv88e6xxx: Fix out-of-bound access

MEDIUM
5.5
CVSS Score
Published: September 4, 2024 at 07:54 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Fix out-of-bound access If an ATU violation was caused by a CPU Load operation, the SPID could be larger than DSA_MAX_PORTS (the size of mv88e6xxx_chip.ports[] array).

Affected

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

v ≥ 4.20.84.19.21 ≤ v < 4.19.3234.19.21 ≤ v < 4.204.20.8 ≤ v < 4.214.20.8 ≤ v < 5.05.0 ≤ v < 5.10.2255.0 ≤ v < 5.15.1665.0 ≤ v < 5.4.2835.0 ≤ v < 6.1.1075.0 ≤ v < 6.10.75.0 ≤ v < 6.115.0 ≤ v < 6.6.485.11 ≤ v < 5.15.1665.16 ≤ v < 6.1.1075.5 ≤ v < 5.10.2256.2 ≤ v < 6.6.486.7 ≤ v < 6.10.71657d2814e83d3e338d6d60c5829d15d86645bc027a2fa0098171199022affa76bdf15d77585457f4.19.214.20.86.11 rc16.11 rc26.11 rc36.11 rc475c05a74e745ae7d663b04d75777af80ada2233c
Vendor states this is fixed in 050e7274ab2150cd212b2372595720e7b83a15bd (fixed)
Vendor states this is fixed in 18b2e833daf049223ab3c2efdf8cdee08854c484 (fixed)
Vendor states this is fixed in 4a88fca95c8df3746b71e31f44a02d35f06f9864 (fixed)
Vendor states this is fixed in 528876d867a23b5198022baf2e388052ca67c952 (fixed)
Vendor states this is fixed in a10d0337115a6d223a1563d853d4455f05d0b2e3 (fixed)
Vendor states this is fixed in d39f5be62f098fe367d672b4dd4bc4b2b80e08e7 (fixed)
Vendor states this is fixed in f7d8c2fabd39250cf2333fbf8eef67e837f90a5d (fixed)
Vendor states this is fixed in f87ce03c652dba199aef15ac18ade3991db5477e (fixed)
Vendor states this is fixed in 4.19.323 (unaffected)
Affected range stops below 4.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.21, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 5.0 (unaffected)
Vendor states this is fixed in 5.10.225 (unaffected)
Vendor states this is fixed in 5.15.166 (unaffected)
Vendor states this is fixed in 5.4.283 (unaffected)
Vendor states this is fixed in 6.1.107 (unaffected)
Vendor states this is fixed in 6.10.7 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.6.48 (unaffected)

References (10)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/050e7274ab2150cd212b2372595720e7b83a15bd
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/18b2e833daf049223ab3c2efdf8cdee08854c484
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/528876d867a23b5198022baf2e388052ca67c952
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a10d0337115a6d223a1563d853d4455f05d0b2e3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d39f5be62f098fe367d672b4dd4bc4b2b80e08e7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f7d8c2fabd39250cf2333fbf8eef67e837f90a5d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f87ce03c652dba199aef15ac18ade3991db5477e

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
NVD-CWE-noinfo

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