{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-50084", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()\n\nCommit a3c1e45156ad (\"net: microchip: vcap: Fix use-after-free error in\nkunit test\") fixed the use-after-free error, but introduced below\nmemory leaks by removing necessary vcap_free_rule(), add it to fix it.\n\n\tunreferenced object 0xffffff80ca58b700 (size 192):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898264\n\t hex dump (first 32 bytes):\n\t 00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d...\n\t 00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................\n\t backtrace (crc 9c09c3fe):\n\t [<0000000052a0be73>] kmemleak_alloc+0x34/0x40\n\t [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<0000000040a01b8d>] vcap_alloc_rule+0x3cc/0x9c4\n\t [<000000003fe86110>] vcap_api_encode_rule_test+0x1ac/0x16b0\n\t [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac\n\t [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<00000000c5d82c9a>] kthread+0x2e8/0x374\n\t [<00000000f4287308>] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0400 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898265\n\t hex dump (first 32 bytes):\n\t 80 04 0b cc 80 ff ff ff 18 b7 58 ca 80 ff ff ff ..........X.....\n\t 39 00 00 00 02 00 00 00 06 05 04 03 02 01 ff ff 9...............\n\t backtrace (crc daf014e9):\n\t [<0000000052a0be73>] kmemleak_alloc+0x34/0x40\n\t [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528\n\t [<00000000dfdb1e81>] vcap_api_encode_rule_test+0x224/0x16b0\n\t [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac\n\t [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<00000000c5d82c9a>] kthread+0x2e8/0x374\n\t [<00000000f4287308>] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0700 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898265\n\t hex dump (first 32 bytes):\n\t 80 07 0b cc 80 ff ff ff 28 b7 58 ca 80 ff ff ff ........(.X.....\n\t 3c 00 00 00 00 00 00 00 01 2f 03 b3 ec ff ff ff <......../......\n\t backtrace (crc 8d877792):\n\t [<0000000052a0be73>] kmemleak_alloc+0x34/0x40\n\t [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<000000006eadfab7>] vcap_rule_add_action+0x2d0/0x52c\n\t [<00000000323475d1>] vcap_api_encode_rule_test+0x4d4/0x16b0\n\t [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac\n\t [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<00000000c5d82c9a>] kthread+0x2e8/0x374\n\t [<00000000f4287308>] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0900 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898266\n\t hex dump (first 32 bytes):\n\t 80 09 0b cc 80 ff ff ff 80 06 0b cc 80 ff ff ff ................\n\t 7d 00 00 00 01 00 00 00 00 00 00 00 ff 00 00 00 }...............\n\t backtrace (crc 34181e56):\n\t [<0000000052a0be73>] kmemleak_alloc+0x34/0x40\n\t [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528\n\t [<00000000991e3564>] vcap_val_rule+0xcf0/0x13e8\n\t [<00000000fc9868e5>] vcap_api_encode_rule_test+0x678/0x16b0\n\t [<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac\n\t [<0000000010f5d2bf>] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t [<00000000c5d82c9a>] kthread+0x2e8/0x374\n\t [<00000000f4287308>] ret_from_fork+0x10/0x20\n\tunreferenced object 0xffffff80cc0b0980 (size 64):\n\t comm \"kunit_try_catch\", pid 1215, jiffies 4294898266\n\t hex dump (first 32 bytes):\n\t 18 b7 58 ca 80 ff ff ff 00 09 0b cc 80 ff ff ff ..X.............\n\t 67 00 00 00 00 00 00 00 01 01 74 88 c0 ff ff ff g.........t.....\n\t backtrace (crc 275fd9be):\n\t [<0000000052a0be73>] kmemleak_alloc+0x34/0x40\n\t [<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4\n\t [<000000000ff63fd4>] vcap_rule_add_key+0x2cc/0x528\n\t [<000000001396a1a2>] test_add_de\n---truncated---" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "b0804c286ccf", "version_value": "20b5342de51b" }, { "version_affected": "<", "version_name": "a3c1e45156ad", "version_value": "170792097bb2" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "6.11", "status": "affected" }, { "version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.58", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.11.5", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.12-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/20b5342de51bda794791e013b90754774003a515", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/20b5342de51bda794791e013b90754774003a515" }, { "url": "https://git.kernel.org/stable/c/170792097bb21e5da77443b6a03d35489813eabe", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/170792097bb21e5da77443b6a03d35489813eabe" }, { "url": "https://git.kernel.org/stable/c/217a3d98d1e9891a8b1438a27dfbc64ddf01f691", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/217a3d98d1e9891a8b1438a27dfbc64ddf01f691" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }