net: dsa: mv88e6xxx: Fix out-of-bound access
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00355 29th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.19.323, 4.21, 5.4.283 +6
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.19.21 to before 4.19.323; 4.20.8 to before 4.21 | 4.19.323, 4.21 | Patch available | CNA |
| Linux | Linux | 5.0 and later | 4.19.323, 5.4.283, 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7, 6.11 | Patch available | CNA |
- Linux VendorLinux Affected 4.19.21 to before 4.19.323; 4.20.8 to before 4.21 Fixed in 4.19.323, 4.21 Patch available CNA
- Linux VendorLinux Affected 5.0 and later Fixed in 4.19.323, 5.4.283, 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7, 6.11 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.19.21 to before 4.20; 4.20.8 to before 5.0; 5.0 to before 5.4.283; 5.5 to before 5.10.225; 5.11 to before 5.15.166; 5.16 to before 6.1.107; 6.2 to before 6.6.48; 6.7 to before 6.10.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:* | 6.11 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:* | 6.11 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:* | 6.11 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:* | 6.11 rc4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.19.21 to before 4.20; 4.20.8 to before 5.0; 5.0 to before 5.4.283; 5.5 to before 5.10.225; 5.11 to before 5.15.166; 5.16 to before 6.1.107; 6.2 to before 6.6.48; 6.7 to before 6.10.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:* Versions 6.11 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:* Versions 6.11 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:* Versions 6.11 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:* Versions 6.11 rc4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.323, 4.21
- Fix · CNA Linux (Linux) Fixed in 4.19.323, 5.4.283, 5.10.225, 5.15.166, 6.1.107, 6.6.48, 6.10.7, 6.11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-44988
- 2026-10-03 Alias added: GHSA-j3xr-2g3j-267r
References
Patch 7
- https://git.kernel.org/stable/c/d39f5be62f098fe367d672b4dd4bc4b2b80e08e7
- https://git.kernel.org/stable/c/050e7274ab2150cd212b2372595720e7b83a15bd
- https://git.kernel.org/stable/c/a10d0337115a6d223a1563d853d4455f05d0b2e3
- https://git.kernel.org/stable/c/18b2e833daf049223ab3c2efdf8cdee08854c484
- https://git.kernel.org/stable/c/f7d8c2fabd39250cf2333fbf8eef67e837f90a5d
- https://git.kernel.org/stable/c/f87ce03c652dba199aef15ac18ade3991db5477e
- https://git.kernel.org/stable/c/528876d867a23b5198022baf2e388052ca67c952
More Linux Kernel vulnerabilities
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2024-44988 · CVE Program
- CVE-2024-44988 · NVD
- FIRST EPSS
- GHSA-j3xr-2g3j-267r · GitHub Advisory Database · CC BY 4.0
- CVE-2024-44988 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences