{"id":"CVE-2024-39560","state":"PUBLISHED","title":"Junos OS and Junos OS Evolved: Memory leak due to RSVP neighbor persistent error leading to kernel crash","description":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent downstream RSVP neighbor to cause kernel memory exhaustion, leading to a kernel crash, resulting in a Denial of Service (DoS).\n\nThe kernel memory leak and eventual crash will be seen when the downstream RSVP neighbor has a persistent error which will not be corrected.\n\nSystem kernel memory can be monitored through the use of the 'show system kernel memory' command as shown below:\n\nuser@router> show system kernel memory    \nReal memory total/reserved: 4130268/ 133344 Kbytes\nkmem map free: 18014398509110220 Kbytes\n\nThis issue affects:\nJunos OS:\n\n\n  *  All versions before 20.4R3-S9,\n  *  All versions of 21.2,\n  *  from 21.4 before 21.4R3-S5,\n  *  from 22.1 before 22.1R3-S5,\n  *  from 22.2 before 22.2R3-S3,\n  *  from 22.3 before 22.3R3-S2,\n  *  from 22.4 before 22.4R3,\n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved:\n\n\n  *  All versions before 21.4R3-S5-EVO,\n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO.","publishedAt":"2024-07-10T22:44:55.736Z","updatedAt":"2024-10-01T19:16:59.626Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS","Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20.4R3-S9","versionType":"semver"},{"version":"21.2R1","status":"affected","lessThan":"21.2*","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S5","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S5","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S3","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S2","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S5-EVO","versionType":"semver"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R3-S5-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S3-EVO","versionType":"semver"},{"version":"22.3-EVO","status":"affected","lessThan":"22.3R3-S2-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"}]}],"references":["https://supportportal.juniper.net/JSA83020"],"weaknesses":["CWE-755"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/39xxx/CVE-2024-39560.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-39560","state":"PUBLISHED","datePublished":"2024-07-10T22:44:55.736Z","dateUpdated":"2024-10-01T19:16:59.626Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2024-06-25T15:12:53.247Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: Memory leak due to RSVP neighbor persistent error leading to kernel crash","descriptions":[{"lang":"en","value":"An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a logically adjacent downstream RSVP neighbor to cause kernel memory exhaustion, leading to a kernel crash, resulting in a Denial of Service (DoS).\n\nThe kernel memory leak and eventual crash will be seen when the downstream RSVP neighbor has a persistent error which will not be corrected.\n\nSystem kernel memory can be monitored through the use of the 'show system kernel memory' command as shown below:\n\nuser@router> show system kernel memory    \nReal memory total/reserved: 4130268/ 133344 Kbytes\nkmem map free: 18014398509110220 Kbytes\n\nThis issue affects:\nJunos OS:\n\n\n  *  All versions before 20.4R3-S9,\n  *  All versions of 21.2,\n  *  from 21.4 before 21.4R3-S5,\n  *  from 22.1 before 22.1R3-S5,\n  *  from 22.2 before 22.2R3-S3,\n  *  from 22.3 before 22.3R3-S2,\n  *  from 22.4 before 22.4R3,\n  *  from 23.2 before 23.2R2;\n\n\nJunos OS Evolved:\n\n\n  *  All versions before 21.4R3-S5-EVO,\n  *  from 22.1-EVO before 22.1R3-S5-EVO, \n  *  from 22.2-EVO before 22.2R3-S3-EVO, \n  *  from 22.3-EVO before 22.3R3-S2-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20.4R3-S9","versionType":"semver"},{"version":"21.2R1","status":"affected","lessThan":"21.2*","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S5","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S5","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S3","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R3-S2","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.4R3-S5-EVO","versionType":"semver"},{"version":"22.1-EVO","status":"affected","lessThan":"22.1R3-S5-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S3-EVO","versionType":"semver"},{"version":"22.3-EVO","status":"affected","lessThan":"22.3R3-S2-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-EVO","versionType":"semver"}]}],"references":[{"url":"https://supportportal.juniper.net/JSA83020","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"AUTOMATIC","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-755","description":"CWE-755 Improper Handling of Exceptional Conditions","lang":"eng","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2024-10-01T19:16:59.626Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"This issue only affects systems configured with RSVP.&nbsp; A minimum RSVP configuration is shown below:<br><br><tt>[edit protocols rsvp]<br><br></tt>"}],"value":"This issue only affects systems configured with RSVP.  A minimum RSVP configuration is shown below:\n\n[edit protocols rsvp]"}],"datePublic":"2024-07-10T16:00:00.000Z","exploits":[{"lang":"eng","supportingMedia":[{"base64":false,"type":"text/html","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"eng","supportingMedia":[{"base64":false,"type":"text/html","value":"The following software releases have been updated to resolve this specific issue: <br><br>Junos OS: 20.4R3-S10, 20.4R3-S9, 21.4R3-S5, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.<br>\nJunos OS Evolved:&nbsp;&nbsp;21.4R3-S5-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases."}],"value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 20.4R3-S10, 20.4R3-S9, 21.4R3-S5, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases.\n\nJunos OS Evolved:  21.4R3-S5-EVO, 22.1R3-S5-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R2-EVO, 23.4R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA83020","defect":["1732862"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2024-07-10T16:00:00.000Z","value":"Initial Publication"},{"lang":"en","time":"2024-10-01T16:00:00.000Z","value":"Corrected 'show' command for kernel memory"}],"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue."}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-11T15:02:00.519779Z","id":"CVE-2024-39560","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-11T15:02:07.966Z"}},{"title":"CVE Program Container","references":[{"url":"https://supportportal.juniper.net/JSA83020","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T04:26:15.909Z"}}]}}}