{"id":"CVE-2025-21975","state":"PUBLISHED","title":"net/mlx5: handle errors in mlx5_chains_create_table()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: handle errors in mlx5_chains_create_table()\n\nIn mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns()\nand mlx5_get_flow_namespace() must be checked to prevent NULL pointer\ndereferences. If either function fails, the function should log error\nmessage with mlx5_core_warn() and return error pointer.","publishedAt":"2025-04-01T15:47:06.590Z","updatedAt":"2026-05-11T21:10:12.856Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"15bdd93728369b2c8942a8e5d549d4b5dc04a2d9","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"29c419c64e9b396baeda1d8713d2aa3ba7c0acf6","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"1598307c914ba3d2642a2b03d1ff11efbdb7c6c2","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"637105ef0d46fe5beac15aceb431da3ec832bb00","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"1d34296409a519b4027750e3e82d9e19553a7398","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"093b4aaec97ec048623e3fe1e516fc45a954d412","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"eab0396353be1c778eba1c0b5180176f04dd21ce","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.236","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.180","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.132","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.84","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.20","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.8","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c"]}],"references":["https://git.kernel.org/stable/c/15bdd93728369b2c8942a8e5d549d4b5dc04a2d9","https://git.kernel.org/stable/c/29c419c64e9b396baeda1d8713d2aa3ba7c0acf6","https://git.kernel.org/stable/c/1598307c914ba3d2642a2b03d1ff11efbdb7c6c2","https://git.kernel.org/stable/c/637105ef0d46fe5beac15aceb431da3ec832bb00","https://git.kernel.org/stable/c/1d34296409a519b4027750e3e82d9e19553a7398","https://git.kernel.org/stable/c/093b4aaec97ec048623e3fe1e516fc45a954d412","https://git.kernel.org/stable/c/eab0396353be1c778eba1c0b5180176f04dd21ce","https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html","https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/21xxx/CVE-2025-21975.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-21975","state":"PUBLISHED","datePublished":"2025-04-01T15:47:06.590Z","dateUpdated":"2026-05-11T21:10:12.856Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-29T08:45:45.797Z"},"containers":{"cna":{"title":"net/mlx5: handle errors in mlx5_chains_create_table()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: handle errors in mlx5_chains_create_table()\n\nIn mlx5_chains_create_table(), the return value of mlx5_get_fdb_sub_ns()\nand mlx5_get_flow_namespace() must be checked to prevent NULL pointer\ndereferences. If either function fails, the function should log error\nmessage with mlx5_core_warn() and return error pointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"15bdd93728369b2c8942a8e5d549d4b5dc04a2d9","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"29c419c64e9b396baeda1d8713d2aa3ba7c0acf6","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"1598307c914ba3d2642a2b03d1ff11efbdb7c6c2","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"637105ef0d46fe5beac15aceb431da3ec832bb00","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"1d34296409a519b4027750e3e82d9e19553a7398","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"093b4aaec97ec048623e3fe1e516fc45a954d412","versionType":"git"},{"version":"39ac237ce00968545e7298faa9e07ecb7e440fb5","status":"affected","lessThan":"eab0396353be1c778eba1c0b5180176f04dd21ce","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.236","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.180","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.132","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.84","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.20","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.8","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/15bdd93728369b2c8942a8e5d549d4b5dc04a2d9"},{"url":"https://git.kernel.org/stable/c/29c419c64e9b396baeda1d8713d2aa3ba7c0acf6"},{"url":"https://git.kernel.org/stable/c/1598307c914ba3d2642a2b03d1ff11efbdb7c6c2"},{"url":"https://git.kernel.org/stable/c/637105ef0d46fe5beac15aceb431da3ec832bb00"},{"url":"https://git.kernel.org/stable/c/1d34296409a519b4027750e3e82d9e19553a7398"},{"url":"https://git.kernel.org/stable/c/093b4aaec97ec048623e3fe1e516fc45a954d412"},{"url":"https://git.kernel.org/stable/c/eab0396353be1c778eba1c0b5180176f04dd21ce"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:10:12.856Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.236"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.180"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.6.84"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.12.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.13.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.14"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T19:40:16.863Z"}}]}}}