{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-50165", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Preserve param->string when parsing mount options\n\nIn bpf_parse_param(), keep the value of param->string intact so it can\nbe freed later. Otherwise, the kmalloc area pointed to by param->string\nwill be leaked as shown below:\n\nunreferenced object 0xffff888118c46d20 (size 8):\n comm \"new_name\", pid 12109, jiffies 4295580214\n hex dump (first 8 bytes):\n 61 6e 79 00 38 c9 5c 7e any.8.\\~\n backtrace (crc e1b7f876):\n [<00000000c6848ac7>] kmemleak_alloc+0x4b/0x80\n [<00000000de9f7d00>] __kmalloc_node_track_caller_noprof+0x36e/0x4a0\n [<000000003e29b886>] memdup_user+0x32/0xa0\n [<0000000007248326>] strndup_user+0x46/0x60\n [<0000000035b3dd29>] __x64_sys_fsconfig+0x368/0x3d0\n [<0000000018657927>] x64_sys_call+0xff/0x9f0\n [<00000000c0cabc95>] do_syscall_64+0x3b/0xc0\n [<000000002f331597>] entry_SYSCALL_64_after_hwframe+0x4b/0x53" } ] }, "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": "6c1752e0b6ca", "version_value": "5d7a0a426540" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "6.9", "status": "affected" }, { "version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver" }, { "version": "6.11.6", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/5d7a0a426540319327309035509cb768a2f5c2c4", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/5d7a0a426540319327309035509cb768a2f5c2c4" }, { "url": "https://git.kernel.org/stable/c/1f97c03f43fadc407de5b5cb01c07755053e1c22", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/1f97c03f43fadc407de5b5cb01c07755053e1c22" } ] }, "generator": { "engine": "bippy-8e903de6a542" } }