linux — security advisory

{
  "id": "3f2ad0273845c38f01151109e201fb340dc24b958a30e4627ebab3b95314913c",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2024-47685",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-CVE-2024-47685",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put() BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 do_softirq+0x9a/0x100 kernel/so",
    "evidence": "osv:DEBIAN-CVE-2024-47685",
    "products": [
      {
        "name": {
          "value": "linux",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.115-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "6.1.106-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.106-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.106-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.112-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.27-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.37-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.38-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.38-2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.38-2~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.38-3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.38-4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.38-4~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.52-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.55-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.55-1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.64-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.66-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.67-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.69-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.69-1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.76-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.76-1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.82-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.85-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.90-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.90-1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.94-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.94-1~bpo11+1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.98-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "6.1.99-1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "linux",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.11.2-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.11.2-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "DEBIAN-CVE-2024-47685",
      "aliases": [
        "DEBIAN-CVE-2024-47685"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6.1.115-1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux",
            "purl": "pkg:deb/debian/linux?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "versions": [
            "6.1.106-1",
            "6.1.106-2",
            "6.1.106-3",
            "6.1.112-1",
            "6.1.27-1",
            "6.1.37-1",
            "6.1.38-1",
            "6.1.38-2",
            "6.1.38-2~bpo11+1",
            "6.1.38-3",
            "6.1.38-4",
            "6.1.38-4~bpo11+1",
            "6.1.52-1",
            "6.1.55-1",
            "6.1.55-1~bpo11+1",
            "6.1.64-1",
            "6.1.66-1",
            "6.1.67-1",
            "6.1.69-1",
            "6.1.69-1~bpo11+1",
            "6.1.76-1",
            "6.1.76-1~bpo11+1",
            "6.1.82-1",
            "6.1.85-1",
            "6.1.90-1",
            "6.1.90-1~bpo11+1",
            "6.1.94-1",
            "6.1.94-1~bpo11+1",
            "6.1.98-1",
            "6.1.99-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-47685.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6.11.2-1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux",
            "purl": "pkg:deb/debian/linux?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-47685.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6.11.2-1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux",
            "purl": "pkg:deb/debian/linux?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-47685.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-15T09:47:28.327587595Z",
      "provider": "osv",
      "upstream": [
        "CVE-2024-47685"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2024-47685"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2024-47685",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 327398,
  "published_at": "2024-10-21T12:15:05.397+00:00"
}