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CVE-2026-22982 In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: Fix crash when adding interface…
Description
In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: Fix crash when adding interface under a lag Commit 15faa1f67ab4 ("lan966x: Fix crash when adding interface under a lag") fixed a similar issue in the lan966x driver caused by a NULL pointer dereference. The ocelot_set_aggr_pgids() function in the ocelot driver has similar logic and is susceptible to the same crash. This issue specifically affects the ocelot_vsc7514.c frontend, which leaves unused ports as NULL pointers. The felix_vsc9959.c frontend is unaffected as it uses the DSA framework which registers all ports. Fix this by checking if the port pointer is valid before accessing it.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.19 | earliest → < 6.19 | 6.19 |
| Linux 6.18 | earliest → < 6.18.6 | 6.18.6 |
| Linux 6.12 | earliest → < 6.12.66 | 6.12.66 |
| Linux 6.6 | earliest → < 6.6.121 | 6.6.121 |
| Linux 6.1 | earliest → < 6.1.161 | 6.1.161 |
| Linux 5.15 | earliest → < 5.15.198 | 5.15.198 |
| Linux | 5.12 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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