{"id":"CVE-2025-38645","state":"PUBLISHED","title":"net/mlx5: Check device memory pointer before usage","description":"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.","publishedAt":"2025-08-22T16:00:50.665Z","updatedAt":"2026-05-11T21:32:13.638Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"9053a69abfb5680c2a95292b96df5d204bc0776f","versionType":"git"},{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"eebb225fe6c9103293807b8edabcbad59f9589bc","versionType":"git"},{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"62d7cf455c887941ed6f105cd430ba04ee0b6c9f","versionType":"git"},{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"4249f1307932f1b6bbb8b7eba60d82f0b7e44430","versionType":"git"},{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"3046b011d368162b1b9ca9453eee0fea930e0a93","versionType":"git"},{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"da899a1fd7c40e2e4302af1db7d0b8540fb22283","versionType":"git"},{"version":"c9b9dcb430b3cd0ad2b04c360c4e528d73430481","status":"affected","lessThan":"70f238c902b8c0461ae6fbb8d1a0bbddc4350eea","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/mlx5/dm.c","drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c","drivers/net/ethernet/mellanox/mlx5/core/main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.4","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.148","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.102","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.42","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.10","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.1","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/mlx5/dm.c","drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c","drivers/net/ethernet/mellanox/mlx5/core/main.c"]}],"references":["https://git.kernel.org/stable/c/9053a69abfb5680c2a95292b96df5d204bc0776f","https://git.kernel.org/stable/c/eebb225fe6c9103293807b8edabcbad59f9589bc","https://git.kernel.org/stable/c/62d7cf455c887941ed6f105cd430ba04ee0b6c9f","https://git.kernel.org/stable/c/4249f1307932f1b6bbb8b7eba60d82f0b7e44430","https://git.kernel.org/stable/c/3046b011d368162b1b9ca9453eee0fea930e0a93","https://git.kernel.org/stable/c/da899a1fd7c40e2e4302af1db7d0b8540fb22283","https://git.kernel.org/stable/c/70f238c902b8c0461ae6fbb8d1a0bbddc4350eea","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38645.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38645","state":"PUBLISHED","datePublished":"2025-08-22T16:00:50.665Z","dateUpdated":"2026-05-11T21:32:13.638Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.030Z"},"containers":{"cna":{"title":"net/mlx5: 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