{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "72904d7b9bfbf2dd146254edea93958bc35bbbfe"
            },
            {
              "fixed": "d55fa7cd4b19ba91b34b307d769c149e56ad0a75"
            },
            {
              "fixed": "54331c5dcc6d97683d7ca2788e7ef9c9505e1477"
            },
            {
              "fixed": "4245a79003adf30e67f8e9060915bd05cb31d142"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "056fc740be000d39a7dba700a935f3bbfbc664e6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.7.3"
            },
            {
              "fixed": "6.8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.8.0"
            },
            {
              "fixed": "6.18.19"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43463.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()\n\nrxrpc_kernel_lookup_peer() can also return error pointers in addition to\nNULL, so just checking for NULL is not sufficient.\n\nFix this by:\n\n (1) Changing rxrpc_kernel_lookup_peer() to return -ENOMEM rather than NULL\n     on allocation failure.\n\n (2) Making the callers in afs use IS_ERR() and PTR_ERR() to pass on the\n     error code returned.",
  "id": "CVE-2026-43463",
  "modified": "2026-07-08T05:38:53.556614625Z",
  "published": "2026-05-08T14:22:25.346Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43463.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43463"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()"
}