{"id":"CVE-2025-38645","title":"net/mlx5: Check device memory pointer before usage","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Check device memory pointer before usage\n\nAdd a NULL check before accessing device memory to prevent a crash if\ndev->dm allocation in mlx5_init_once() fails.","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 9053a69abfb5680c2a95292b96df5d204bc0776f","Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < eebb225fe6c9103293807b8edabcbad59f9589bc","Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 62d7cf455c887941ed6f105cd430ba04ee0b6c9f","Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 4249f1307932f1b6bbb8b7eba60d82f0b7e44430","Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 3046b011d368162b1b9ca9453eee0fea930e0a93","Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < da899a1fd7c40e2e4302af1db7d0b8540fb22283","Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 70f238c902b8c0461ae6fbb8d1a0bbddc4350eea","Linux 5.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:05:52.690620Z"},"published":"2025-08-22","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:12:50.628Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38645","references":[{"url":"https://git.kernel.org/stable/c/9053a69abfb5680c2a95292b96df5d204bc0776f"},{"url":"https://git.kernel.org/stable/c/eebb225fe6c9103293807b8edabcbad59f9589bc"},{"url":"https://git.kernel.org/stable/c/62d7cf455c887941ed6f105cd430ba04ee0b6c9f"},{"url":"https://git.kernel.org/stable/c/4249f1307932f1b6bbb8b7eba60d82f0b7e44430"},{"url":"https://git.kernel.org/stable/c/3046b011d368162b1b9ca9453eee0fea930e0a93"},{"url":"https://git.kernel.org/stable/c/da899a1fd7c40e2e4302af1db7d0b8540fb22283"},{"url":"https://git.kernel.org/stable/c/70f238c902b8c0461ae6fbb8d1a0bbddc4350eea"}],"tags":["cve.org"],"epss":0.00166,"epssPercentile":0.05914,"ingestedAt":"2026-11-05T22:38:32.005Z","slug":"CVE-2025-38645","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: Check device memory pointer before usage\n\nAdd a NULL check before accessing device memory to prevent a crash if\ndev->dm allocation in mlx5_init_once() fails.\n\n## Affected\n\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 9053a69abfb5680c2a95292b96df5d204bc0776f`\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < eebb225fe6c9103293807b8edabcbad59f9589bc`\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 62d7cf455c887941ed6f105cd430ba04ee0b6c9f`\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 4249f1307932f1b6bbb8b7eba60d82f0b7e44430`\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 3046b011d368162b1b9ca9453eee0fea930e0a93`\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < da899a1fd7c40e2e4302af1db7d0b8540fb22283`\n- `Linux >= c9b9dcb430b3cd0ad2b04c360c4e528d73430481 < 70f238c902b8c0461ae6fbb8d1a0bbddc4350eea`\n- `Linux 5.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}