[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2025-68366":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":23,"related":24,"reserved_at":9,"published_at":25,"modified_at":26,"state":9,"summary":27,"references_raw":29,"kevs":36,"epss":9,"epss_history":37,"metrics":38,"affected":39},"DEBIAN-CVE-2025-68366","In the Linux kernel, the following vulnerability has been resolved:  nbd: defer config unlock in nbd_genl_connect  There is one use-after-free warning when running NBD_CMD_CONNECT and NBD_CLEAR_SOCK:  nbd_genl_connect   nbd_alloc_and_init_config // config_refs=1   nbd_start_device // config_refs=2   set NBD_RT_HAS_CONFIG_REF\t\t\topen nbd // config_refs=3   recv_work done // config_refs=2 \t\t\t\t\t\tNBD_CLEAR_SOCK // config_refs=1 \t\t\t\t\t\tclose nbd // config_refs=0   refcount_inc -> uaf  ------------[ cut here ]------------ refcount_t: addition on 0; use-after-free. WARNING: CPU: 24 PID: 1014 at lib/refcount.c:25 refcount_warn_saturate+0x12e/0x290  nbd_genl_connect+0x16d0/0x1ab0  genl_family_rcv_msg_doit+0x1f3/0x310  genl_rcv_msg+0x44a/0x790  The issue can be easily reproduced by adding a small delay before refcount_inc(&nbd->config_refs) in nbd_genl_connect():          mutex_unlock(&nbd->config_lock);         if (!ret) {                 set_bit(NBD_RT_HAS_CONFIG_REF, &config->runtime_flags); +               printk(\"before sleep\\n\"); +               mdelay(5 * 1000); +               printk(\"after sleep\\n\");                 refcount_inc(&nbd->config_refs);                 nbd_connect_reply(info, nbd->index);         }",null,[],[],[],[14],{"_key":15},"CVE-2025-68366",[17,19,21],{"_key":18},"DLA-4476-1",{"_key":20},"DLA-4475-1",{"_key":22},"DSA-6127-1",[],[],"2025-12-24T11:16:00.163Z","2026-04-28T20:30:54.361334Z",{"cisa_kev":28,"cisa_ransomware":28,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[30],{"url":31,"sources":32,"tags":34},"https://security-tracker.debian.org/tracker/CVE-2025-68366",[33],"osv_debian",[35],"Advisory",[],[],[],[40,64],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,50,51,55,58,61],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":52,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":53,"version_end_type":54,"fixed_in":9},"lt5_10_249_1","5.10.249-1","excluding",{"version":56,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":57,"version_end_type":54,"fixed_in":9},"lt6_1_162_1","6.1.162-1",{"version":59,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":60,"version_end_type":54,"fixed_in":9},"lt6_12_63_1","6.12.63-1",{"version":62,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":63,"version_end_type":54,"fixed_in":9},"lt6_17_13_1","6.17.13-1",{"ecosystem":41,"name":65,"vendor":43,"product":65,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":65,"source":9,"versions":66},"linux-6.1",[67,68],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":69,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":70,"version_end_type":54,"fixed_in":9},"lt6_1_162_1~deb11u1","6.1.162-1~deb11u1"]