{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-56648",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-27T15:00:39.840Z",
        "datePublished": "2024-12-27T15:02:48.687Z",
        "dateUpdated": "2026-05-23T15:55:44.998Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:55:44.998Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hsr: avoid potential out-of-bound access in fill_frame_info()\n\nsyzbot is able to feed a packet with 14 bytes, pretending\nit is a vlan one.\n\nSince fill_frame_info() is relying on skb->mac_len already,\nextend the check to cover this case.\n\nBUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:709 [inline]\n BUG: KMSAN: uninit-value in hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724\n  fill_frame_info net/hsr/hsr_forward.c:709 [inline]\n  hsr_forward_skb+0x9ee/0x3b10 net/hsr/hsr_forward.c:724\n  hsr_dev_xmit+0x2f0/0x350 net/hsr/hsr_device.c:235\n  __netdev_start_xmit include/linux/netdevice.h:5002 [inline]\n  netdev_start_xmit include/linux/netdevice.h:5011 [inline]\n  xmit_one net/core/dev.c:3590 [inline]\n  dev_hard_start_xmit+0x247/0xa20 net/core/dev.c:3606\n  __dev_queue_xmit+0x366a/0x57d0 net/core/dev.c:4434\n  dev_queue_xmit include/linux/netdevice.h:3168 [inline]\n  packet_xmit+0x9c/0x6c0 net/packet/af_packet.c:276\n  packet_snd net/packet/af_packet.c:3146 [inline]\n  packet_sendmsg+0x91ae/0xa6f0 net/packet/af_packet.c:3178\n  sock_sendmsg_nosec net/socket.c:711 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:726\n  __sys_sendto+0x594/0x750 net/socket.c:2197\n  __do_sys_sendto net/socket.c:2204 [inline]\n  __se_sys_sendto net/socket.c:2200 [inline]\n  __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200\n  x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was created at:\n  slab_post_alloc_hook mm/slub.c:4091 [inline]\n  slab_alloc_node mm/slub.c:4134 [inline]\n  kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186\n  kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587\n  __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678\n  alloc_skb include/linux/skbuff.h:1323 [inline]\n  alloc_skb_with_frags+0xc8/0xd00 net/core/skbuff.c:6612\n  sock_alloc_send_pskb+0xa81/0xbf0 net/core/sock.c:2881\n  packet_alloc_skb net/packet/af_packet.c:2995 [inline]\n  packet_snd net/packet/af_packet.c:3089 [inline]\n  packet_sendmsg+0x74c6/0xa6f0 net/packet/af_packet.c:3178\n  sock_sendmsg_nosec net/socket.c:711 [inline]\n  __sock_sendmsg+0x30f/0x380 net/socket.c:726\n  __sys_sendto+0x594/0x750 net/socket.c:2197\n  __do_sys_sendto net/socket.c:2204 [inline]\n  __se_sys_sendto net/socket.c:2200 [inline]\n  __x64_sys_sendto+0x125/0x1d0 net/socket.c:2200\n  x64_sys_call+0x346a/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:45\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/hsr/hsr_forward.c"
                    ],
                    "versions": [
                        {
                            "version": "f6442ee08fe66c8e45c4f246531a2aaf4f17a7a7",
                            "lessThan": "aa632691c722a123e47ccd05a3afdd5f87a36061",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b",
                            "lessThan": "c6e778901d0055356c4fb223058364cae731494a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b",
                            "lessThan": "6bb5c8ebc99f0671dbd3c9408ebaf935c3951186",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b",
                            "lessThan": "3c215663b3e27a3b08cefcaea623ff54c70c8035",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b",
                            "lessThan": "7ea527fbd7b94d0bee64a0a7e98279bcc654b322",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48b491a5cc74333c4a6a82fe21cea42c055a3b0b",
                            "lessThan": "b9653d19e556c6afd035602927a93d100a0d7644",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4ffd1d4a6b306ff69cbe412d2c54d2dd349ff436",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.42",
                            "lessThan": "5.10.231",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.12.9",
                            "lessThan": "5.13",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/hsr/hsr_forward.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.231",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.174",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.120",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.66",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.5",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13",
                            "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": "5.10.42",
                                    "versionEndExcluding": "5.10.231"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "5.15.174"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.1.120"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.6.66"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.12.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12.9"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/aa632691c722a123e47ccd05a3afdd5f87a36061"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c6e778901d0055356c4fb223058364cae731494a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6bb5c8ebc99f0671dbd3c9408ebaf935c3951186"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3c215663b3e27a3b08cefcaea623ff54c70c8035"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7ea527fbd7b94d0bee64a0a7e98279bcc654b322"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b9653d19e556c6afd035602927a93d100a0d7644"
                }
            ],
            "title": "net: hsr: avoid potential out-of-bound access in fill_frame_info()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-56648",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T20:00:29.164296Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-908",
                                "description": "CWE-908 Use of Uninitialized Resource"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T20:07:11.414Z"
                }
            },
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"
                    },
                    {
                        "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T20:51:54.024Z"
                }
            }
        ]
    }
}