[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"cve-CVE-2026-64004":3},{"id":4,"cve_id":5,"euvd_id":6,"summary":7,"published":8,"cvss_data":9,"is_remote":19,"cwes":20,"cpes":23,"technologies":30,"references":32,"score":41,"epss_score":42,"epss_percentile":43,"is_kev":19,"cisa_kev_date_added":44,"cisa_kev_due_date":44,"cisa_ssvc":45,"attack_mappings":55,"exploits":71},366832,"CVE-2026-64004","EUVD-2026-45577","In the Linux kernel, the following vulnerability has been resolved:\n\nnet\u002Fiucv: fix locking in .getsockopt\n\nMirror iucv_sock_setsockopt() and wrap the whole switch in\nlock_sock()\u002Frelease_sock(). The pre-existing SO_MSGLIMIT-only lock\nbecomes redundant and is removed.\n\nAny AF_IUCV HIPER user can potentially crash the kernel by racing\nrecvmsg() with getsockopt(SO_MSGSIZE): the SO_MSGSIZE arm dereferences\niucv->hs_dev->mtu after iucv_sock_close() (called from the racing\nrecvmsg()) has set hs_dev to NULL, producing a NULL pointer dereference\noops.","2026-07-19T16:17:00Z",{"cvss_v3.1":10},{"scope":11,"version":12,"baseScore":13,"attackVector":14,"baseSeverity":15,"vectorString":16,"integrityImpact":15,"userInteraction":17,"attackComplexity":18,"availabilityImpact":15,"privilegesRequired":18,"confidentialityImpact":15},"UNCHANGED","3.1",7.8,"LOCAL","HIGH","CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H","NONE","LOW",false,[21,22],"CWE-667","CWE-362",[24,25,26,27,28,29],"cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",[31],"Linux Linux Kernel",[33,34,35,36,37,38,39,40],"https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F1fc30bd4e55e2dd622d2d366cecd732c1841bbee","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F3589d20a666caf30ad100c960a2de7de390fce88","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F45bb8de8c95d8899f4b8f61bd9bceb8132af73cb","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F69554adc7a6fa04ede3ad7512321d83748e3c920","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F6e792b8dd3002bbc4136745928a9605df1a72b8a","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F884eb247b74d86db97e3a37f0d6fc8e1e83590dd","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002F9817369243380e287ebe5525411557eaa3aa2a79","https:\u002F\u002Fgit.kernel.org\u002Fstable\u002Fc\u002Fcd691beafea0dd779e69e81ccc26b0ab50efcb5e",0.39,0.001,0.00846,null,{"timestamp":46,"automatable":47,"tech_impact":48,"exploitation":49,"cisa_decision":50,"cisa_remediation_timeline":54},"2026-10-16T15:35:08.073684Z","no","total","none",{"vector":51,"decision":52,"priority":53},"CISAv1\u002FE:N\u002FA:N\u002FT:T\u002FM:H\u002F2026-10-25T19:36:23.855099\u002F","track_star","medium","14D",[56,62],{"name":57,"source":58,"tactics":59,"technique_id":61},"Exploitation for Privilege Escalation","attack_vector",[60],"privilege-escalation","T1068",{"name":63,"source":64,"cwe_ids":65,"tactics":66,"capec_ids":68,"technique_id":70},"Application or System Exploitation","capec",[21],[67],"impact",[69],"CAPEC-25","T1499.004",[]]