{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-68322",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2026-68322"
  ],
  "published": "2026-08-10T12:08:00Z",
  "summary": "rds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrds: Fix inet6_addr_lst NULL dereference when IPv6 is disabled\n\nWhen booting with the 'ipv6.disable=1' parameter, inet6_addr_lst\nis never initialized because inet6_init() exits before addrconf_init()\nis called to initialize it. An attempt to bind an RDS socket to\nan ipv6 address results in a crash in __ipv6_chk_addr_and_flags()\n\nKASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]\nRIP: 0010:__ipv6_chk_addr_and_flags+0x1df/0x7e0\nCall Trace:\n <TASK>\n ipv6_chk_addr+0x3b/0x50\n rds_tcp_laddr_check+0x155/0x3b0 [rds_tcp]\n rds_trans_get_preferred+0x15d/0x2d0 [rds]\n ? trace_hardirqs_on+0x2d/0x110\n rds_bind+0x1433/0x1d60 [rds]\n ? rds_remove_bound+0xd50/0xd50 [rds]\n ? aa_af_perm+0x250/0x250\n ? __might_fault+0xde/0x190\n ? __sys_bind+0x1dc/0x210\n __sys_bind+0x1dc/0x210\n ? __ia32_sys_socketpair+0x100/0x100\n ? restore_fpregs_from_fpstate+0x53/0x100\n __x64_sys_bind+0x73/0xb0\n ? syscall_enter_from_user_mode+0x1c/0x50\n do_syscall_64+0x34/0x80\n entry_SYSCALL_64_after_hwframe+0x6e/0xd8\nRIP: 0033:0x7f47f8269ea9\n </TASK>\n\nThe following code reproduces the issue:\n\nstruct sockaddr_in6 addr;\ns = socket(PF_RDS, SOCK_SEQPACKET, 0);\n\nmemset(&addr, 0, sizeof(addr));\ninet_pton(AF_INET6, ADDRESS, &addr.sin6_addr);\naddr.sin6_family = AF_INET6;\naddr.sin6_port = htons(PORT);\n\nbind(s, &addr, sizeof(addr));\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.47-1+rpt4"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-2712",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v6",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v7l",
            "binary_version": "1:6.1.47-1+rpt4"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi3-rpi-v8",
            "binary_version": "1:6.1.47-1+rpt4"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.47-1+rpt4": {
            "linux_commit": "655fc658a15ae7a6f37103754adb39ba52a9a14e",
            "upstream_version": "6.1.47",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.183",
            "compiled_filter": false
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-68322"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/7809344be3f0c1bbfdfdde1cefafeec14bf52d51"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/438dec9b0a06bd1f8db8c58539c655e735e17367"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/b61c9eb5931bb7389bc104faacd8c17d910da65d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/8e48d7ab1e01936a172ff31531904b003895fd8c"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a8302e758050e6a922765aee8d220a4fd350f52d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/f6787fdffcae5490c779f0f3f33b11597525d1ae"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/00d5707217b5972554898ff734ae7b71bce704e6"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/9c805e592a29be9e4e61ff1bd567da04aa8fd6f9"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-19T16:47:12Z"
  }
}