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126 lines
3.7 KiB
JSON
126 lines
3.7 KiB
JSON
{
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"id": "CVE-2019-20812",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2020-06-03T03:15:10.597",
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"lastModified": "2021-06-14T18:15:18.897",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067."
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},
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{
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"lang": "es",
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"value": "Se detect\u00f3 un problema en el kernel de Linux versiones anteriores a 5.4.7. La funci\u00f3n prb_calc_retire_blk_tmo() en el archivo net/packet/af_packet.c puede resultar en una denegaci\u00f3n de servicio (consumo de CPU y bloqueo suave) en un caso de fallo que involucra TPACKET_V3, tambi\u00e9n se conoce como CID-b43d1f9f7067."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
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"accessVector": "LOCAL",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "COMPLETE",
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"baseScore": 4.9
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 3.9,
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"impactScore": 6.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-400"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.4.7",
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"matchCriteriaId": "C39B26F1-4B68-4F92-8D2D-465829FA4636"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html",
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"source": "cve@mitre.org"
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},
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{
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"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html",
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"source": "cve@mitre.org"
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},
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{
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"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7",
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"source": "cve@mitre.org",
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"tags": [
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"Release Notes",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe",
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"source": "cve@mitre.org",
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"tags": [
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"Patch",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuApr2021.html",
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"source": "cve@mitre.org"
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}
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]
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} |