cve/published/2024/CVE-2024-50293.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\nnet/smc: do not leave a dangling sk pointer in __smc_create()\n\nThanks to commit 4bbd360a5084 (\"socket: Print pf->create() when\nit does not clear sock->sk on failure.\"), syzbot found an issue with AF_SMC:\n\nsmc_create must clear sock->sk on failure, family: 43, type: 1, protocol: 0\n WARNING: CPU: 0 PID: 5827 at net/socket.c:1565 __sock_create+0x96f/0xa30 net/socket.c:1563\nModules linked in:\nCPU: 0 UID: 0 PID: 5827 Comm: syz-executor259 Not tainted 6.12.0-rc6-next-20241106-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024\n RIP: 0010:__sock_create+0x96f/0xa30 net/socket.c:1563\nCode: 03 00 74 08 4c 89 e7 e8 4f 3b 85 f8 49 8b 34 24 48 c7 c7 40 89 0c 8d 8b 54 24 04 8b 4c 24 0c 44 8b 44 24 08 e8 32 78 db f7 90 <0f> 0b 90 90 e9 d3 fd ff ff 89 e9 80 e1 07 fe c1 38 c1 0f 8c ee f7\nRSP: 0018:ffffc90003e4fda0 EFLAGS: 00010246\nRAX: 099c6f938c7f4700 RBX: 1ffffffff1a595fd RCX: ffff888034823c00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: 00000000ffffffe9 R08: ffffffff81567052 R09: 1ffff920007c9f50\nR10: dffffc0000000000 R11: fffff520007c9f51 R12: ffffffff8d2cafe8\nR13: 1ffffffff1a595fe R14: ffffffff9a789c40 R15: ffff8880764298c0\nFS:  000055557b518380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fa62ff43225 CR3: 0000000031628000 CR4: 00000000003526f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  sock_create net/socket.c:1616 [inline]\n  __sys_socket_create net/socket.c:1653 [inline]\n  __sys_socket+0x150/0x3c0 net/socket.c:1700\n  __do_sys_socket net/socket.c:1714 [inline]\n  __se_sys_socket net/socket.c:1712 [inline]\n\nFor reference, see commit 2d859aff775d (\"Merge branch\n'do-not-leave-dangling-sk-pointers-in-pf-create-functions'\")"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/smc/af_smc.c"
               ],
               "versions": [
                  {
                     "version": "d25a92ccae6bed02327b63d138e12e7806830f78",
                     "lessThan": "d2cc492124e1f22daa1700f069bcc58788043381",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "d25a92ccae6bed02327b63d138e12e7806830f78",
                     "lessThan": "d293958a8595ba566fb90b99da4d6263e14fee15",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/smc/af_smc.c"
               ],
               "versions": [
                  {
                     "version": "6.11",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.11",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.11.8",
                     "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": "6.11",
                           "versionEndExcluding": "6.11.8"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.11",
                           "versionEndExcluding": "6.12"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d2cc492124e1f22daa1700f069bcc58788043381"
            },
            {
               "url": "https://git.kernel.org/stable/c/d293958a8595ba566fb90b99da4d6263e14fee15"
            }
         ],
         "title": "net/smc: do not leave a dangling sk pointer in __smc_create()",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-50293",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}