cve/published/2024/CVE-2024-50165.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "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"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/bpf/inode.c"
               ],
               "versions": [
                  {
                     "version": "6c1752e0b6ca8c7021d6da3926738d8d88f601a9",
                     "lessThan": "5d7a0a426540319327309035509cb768a2f5c2c4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6c1752e0b6ca8c7021d6da3926738d8d88f601a9",
                     "lessThan": "1f97c03f43fadc407de5b5cb01c07755053e1c22",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "kernel/bpf/inode.c"
               ],
               "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"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.9",
                           "versionEndExcluding": "6.11.6"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.9",
                           "versionEndExcluding": "6.12"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/5d7a0a426540319327309035509cb768a2f5c2c4"
            },
            {
               "url": "https://git.kernel.org/stable/c/1f97c03f43fadc407de5b5cb01c07755053e1c22"
            }
         ],
         "title": "bpf: Preserve param->string when parsing mount options",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-50165",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}