CVE-2024-26855
Estado: ModificadaMedia (5.5)—
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ice: corrige una posible desreferencia de puntero NULL en ice_bridge_setlink() La función ice_bridge_setlink() puede encontrar una desreferencia de puntero NULL si nlmsg_find_attr() devuelve NULL y br_spec se desreferencia posteriormente en nla_for_each_nested( ). Para solucionar este problema, agregue una verificación para garantizar que br_spec no sea NULL antes de continuar con la iteración del atributo anidado.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.25%
- Percentil entre todas las CVEs puntuadas: 15
- Fecha de la puntuación: 8/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (2)
CWE
- CWE-476
Referencias
- https://git.kernel.org/stable/c/06e456a05d669ca30b224b8ed962421770c1496c
- https://git.kernel.org/stable/c/0e296067ae0d74a10b4933601f9aa9f0ec8f157f
- https://git.kernel.org/stable/c/1a770927dc1d642b22417c3e668c871689fc58b3
- https://git.kernel.org/stable/c/37fe99016b12d32100ce670216816dba6c48b309
- https://git.kernel.org/stable/c/8d95465d9a424200485792858c5b3be54658ce19
- https://git.kernel.org/stable/c/afdd29726a6de4ba27cd15590661424c888dc596
- https://git.kernel.org/stable/c/d9fefc51133107e59d192d773be86c1150cfeebb
- https://git.kernel.org/stable/c/06e456a05d669ca30b224b8ed962421770c1496c
- https://git.kernel.org/stable/c/0e296067ae0d74a10b4933601f9aa9f0ec8f157f
- https://git.kernel.org/stable/c/1a770927dc1d642b22417c3e668c871689fc58b3
- https://git.kernel.org/stable/c/37fe99016b12d32100ce670216816dba6c48b309
- https://git.kernel.org/stable/c/8d95465d9a424200485792858c5b3be54658ce19
- https://git.kernel.org/stable/c/afdd29726a6de4ba27cd15590661424c888dc596
- https://git.kernel.org/stable/c/d9fefc51133107e59d192d773be86c1150cfeebb
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-26855",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-26855",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-04-23T14:02:40.817976Z"
}
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"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"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "d9fefc51133107e59d192d773be86c1150cfeebb",
"versionType": "git"
},
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "37fe99016b12d32100ce670216816dba6c48b309",
"versionType": "git"
},
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "8d95465d9a424200485792858c5b3be54658ce19",
"versionType": "git"
},
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "afdd29726a6de4ba27cd15590661424c888dc596",
"versionType": "git"
},
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "1a770927dc1d642b22417c3e668c871689fc58b3",
"versionType": "git"
},
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "0e296067ae0d74a10b4933601f9aa9f0ec8f157f",
"versionType": "git"
},
{
"status": "affected",
"version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
"lessThan": "06e456a05d669ca30b224b8ed962421770c1496c",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_main.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4.20"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "4.20",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.4.272",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.213",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.152",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.82",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.22",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.7.10",
"versionType": "semver",
"lessThanOrEqual": "6.7.*"
},
{
"status": "unaffected",
"version": "6.8",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/ethernet/intel/ice/ice_main.c"
],
"defaultStatus": "affected"
}
]
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"affectedData": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-04-17T11:15:08.690",
"references": [
{
"url": "https://git.kernel.org/stable/c/06e456a05d669ca30b224b8ed962421770c1496c",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/0e296067ae0d74a10b4933601f9aa9f0ec8f157f",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/1a770927dc1d642b22417c3e668c871689fc58b3",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/37fe99016b12d32100ce670216816dba6c48b309",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/8d95465d9a424200485792858c5b3be54658ce19",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/afdd29726a6de4ba27cd15590661424c888dc596",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d9fefc51133107e59d192d773be86c1150cfeebb",
"tags": [
"Patch"
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/06e456a05d669ca30b224b8ed962421770c1496c",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/0e296067ae0d74a10b4933601f9aa9f0ec8f157f",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/1a770927dc1d642b22417c3e668c871689fc58b3",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/37fe99016b12d32100ce670216816dba6c48b309",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/8d95465d9a424200485792858c5b3be54658ce19",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/afdd29726a6de4ba27cd15590661424c888dc596",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://git.kernel.org/stable/c/d9fefc51133107e59d192d773be86c1150cfeebb",
"tags": [
"Patch"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
"tags": [
"Mailing List"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()\n\nThe function ice_bridge_setlink() may encounter a NULL pointer dereference\nif nlmsg_find_attr() returns NULL and br_spec is dereferenced subsequently\nin nla_for_each_nested(). To address this issue, add a check to ensure that\nbr_spec is not NULL before proceeding with the nested attribute iteration."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ice: corrige una posible desreferencia de puntero NULL en ice_bridge_setlink() La función ice_bridge_setlink() puede encontrar una desreferencia de puntero NULL si nlmsg_find_attr() devuelve NULL y br_spec se desreferencia posteriormente en nla_for_each_nested( ). Para solucionar este problema, agregue una verificación para garantizar que br_spec no sea NULL antes de continuar con la iteración del atributo anidado."
}
],
"lastModified": "2026-06-17T07:18:30.897",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "06199E67-91F5-4EC0-828B-22825E4DBAD1",
"versionEndExcluding": "5.4.272",
"versionStartIncluding": "4.20"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CE7B425A-A38B-494A-AA47-EC2251748164",
"versionEndExcluding": "5.10.213",
"versionStartIncluding": "5.5"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DBBE9241-559E-479A-895A-02186BA03EBF",
"versionEndExcluding": "5.15.152",
"versionStartIncluding": "5.11"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "933AC628-7DAD-4B2D-82E3-3B7B331B1C09",
"versionEndExcluding": "6.1.82",
"versionStartIncluding": "5.16"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AC6FD6F8-5B16-4F53-8116-D42F4BF4FBAC",
"versionEndExcluding": "6.6.22",
"versionStartIncluding": "6.2"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FB4549F9-0160-455F-8CDC-98D38AEF6D66",
"versionEndExcluding": "6.7.10",
"versionStartIncluding": "6.7"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc5:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A780F817-2A77-4130-A9B7-5C25606314E3"
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc6:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AEB9199B-AB8F-4877-8964-E2BA95B5F15C"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}