CVE-2026-31646
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: lan966x: fix page_pool error handling in lan966x_fdma_rx_alloc_page_pool()
page_pool_create() can return an ERR_PTR on failure. The return value is used unconditionally in the loop that follows, passing the error pointer through xdp_rxq_info_reg_mem_model() into page_pool_use_xdp_mem(), which dereferences it, causing a kernel oops.
Add an IS_ERR check after page_pool_create() to return early on failure.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 11871aba19748b3387e83a2db6360aa7119e9a1a < e63265f188ea39dcf5f546770650027528f3bd0f | affected |
| Linux | Linux | 11871aba19748b3387e83a2db6360aa7119e9a1a < 305832c53551cfbe6e5b81ca7ee765e60f4fe8e9 | affected |
| Linux | Linux | 11871aba19748b3387e83a2db6360aa7119e9a1a < b5dcb41ba891b55157006cac79825c78a32b409e | affected |
| Linux | Linux | 11871aba19748b3387e83a2db6360aa7119e9a1a < 7caf90d9ab97951a58d1de85ab7e7d7cca7a4513 | affected |
| Linux | Linux | 11871aba19748b3387e83a2db6360aa7119e9a1a < 3fd0da4fd8851a7e62d009b7db6c4a05b092bc19 | affected |
| Linux | Linux | 6.2 | affected |
| Linux | Linux | 0 < 6.2 | unaffected |
| Linux | Linux | 6.6.135 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.82 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.23 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.13 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/e63265f188ea39dcf5f546770650027528f3bd0f
- https://git.kernel.org/stable/c/305832c53551cfbe6e5b81ca7ee765e60f4fe8e9
- https://git.kernel.org/stable/c/b5dcb41ba891b55157006cac79825c78a32b409e
- https://git.kernel.org/stable/c/7caf90d9ab97951a58d1de85ab7e7d7cca7a4513
- https://git.kernel.org/stable/c/3fd0da4fd8851a7e62d009b7db6c4a05b092bc19
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