[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2025-21877":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":45},"DEBIAN-CVE-2025-21877","In the Linux kernel, the following vulnerability has been resolved:  usbnet: gl620a: fix endpoint checking in genelink_bind()  Syzbot reports [1] a warning in usb_submit_urb() triggered by inconsistencies between expected and actually present endpoints in gl620a driver. Since genelink_bind() does not properly verify whether specified eps are in fact provided by the device, in this case, an artificially manufactured one, one may get a mismatch.  Fix the issue by resorting to a usbnet utility function usbnet_get_endpoints(), usually reserved for this very problem. Check for endpoints and return early before proceeding further if any are missing.  [1] Syzbot report: usb 5-1: Manufacturer: syz usb 5-1: SerialNumber: syz usb 5-1: config 0 descriptor?? gl620a 5-1:0.23 usb0: register 'gl620a' at usb-dummy_hcd.0-1, ... ------------[ cut here ]------------ usb 5-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 2 PID: 1841 at drivers/usb/core/urb.c:503 usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503 Modules linked in: CPU: 2 UID: 0 PID: 1841 Comm: kworker/2:2 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: mld mld_ifc_work RIP: 0010:usb_submit_urb+0xe4b/0x1730 drivers/usb/core/urb.c:503 ... Call Trace:  \u003CTASK>  usbnet_start_xmit+0x6be/0x2780 drivers/net/usb/usbnet.c:1467  __netdev_start_xmit include/linux/netdevice.h:5002 [inline]  netdev_start_xmit include/linux/netdevice.h:5011 [inline]  xmit_one net/core/dev.c:3590 [inline]  dev_hard_start_xmit+0x9a/0x7b0 net/core/dev.c:3606  sch_direct_xmit+0x1ae/0xc30 net/sched/sch_generic.c:343  __dev_xmit_skb net/core/dev.c:3827 [inline]  __dev_queue_xmit+0x13d4/0x43e0 net/core/dev.c:4400  dev_queue_xmit include/linux/netdevice.h:3168 [inline]  neigh_resolve_output net/core/neighbour.c:1514 [inline]  neigh_resolve_output+0x5bc/0x950 net/core/neighbour.c:1494  neigh_output include/net/neighbour.h:539 [inline]  ip6_finish_output2+0xb1b/0x2070 net/ipv6/ip6_output.c:141  __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]  ip6_finish_output+0x3f9/0x1360 net/ipv6/ip6_output.c:226  NF_HOOK_COND include/linux/netfilter.h:303 [inline]  ip6_output+0x1f8/0x540 net/ipv6/ip6_output.c:247  dst_output include/net/dst.h:450 [inline]  NF_HOOK include/linux/netfilter.h:314 [inline]  NF_HOOK include/linux/netfilter.h:308 [inline]  mld_sendpack+0x9f0/0x11d0 net/ipv6/mcast.c:1819  mld_send_cr net/ipv6/mcast.c:2120 [inline]  mld_ifc_work+0x740/0xca0 net/ipv6/mcast.c:2651  process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229  process_scheduled_works kernel/workqueue.c:3310 [inline]  worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391  kthread+0x2c1/0x3a0 kernel/kthread.c:389  ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244  \u003C/TASK>",null,[],[],[],[14],{"_key":15},"CVE-2025-21877",[17,19,21],{"_key":18},"DLA-4178-1",{"_key":20},"DLA-4193-1",{"_key":22},"DSA-5900-1",[],[],"2025-03-27T15:15:55.540Z","2026-04-28T20:29:35.731005Z",{"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-2025-21877",[33],"osv_debian",[35],"Advisory",[],[],[39],{"source":33,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":40,"cvss_v4_0":9},{"baseScore":41,"baseSeverity":9,"vectorString":42,"impactScore":43,"exploitabilityScore":44},5.5,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",6,4.6,[46,65],{"ecosystem":47,"name":48,"vendor":49,"product":48,"cpe_part":9,"purl_type":50,"purl_namespace":49,"purl_name":48,"source":9,"versions":51},"Debian","linux","debian","deb",[52,58,61,64],{"version":53,"is_range":54,"range_type":55,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":57,"fixed_in":9},"lt5_10_237_1",true,"ecosystem","5.10.237-1","excluding",{"version":59,"is_range":54,"range_type":55,"version_start":9,"version_start_type":9,"version_end":60,"version_end_type":57,"fixed_in":9},"lt6_1_133_1","6.1.133-1",{"version":62,"is_range":54,"range_type":55,"version_start":9,"version_start_type":9,"version_end":63,"version_end_type":57,"fixed_in":9},"lt6_12_19_1","6.12.19-1",{"version":62,"is_range":54,"range_type":55,"version_start":9,"version_start_type":9,"version_end":63,"version_end_type":57,"fixed_in":9},{"ecosystem":47,"name":66,"vendor":49,"product":66,"cpe_part":9,"purl_type":50,"purl_namespace":49,"purl_name":66,"source":9,"versions":67},"linux-6.1",[68],{"version":69,"is_range":54,"range_type":55,"version_start":9,"version_start_type":9,"version_end":70,"version_end_type":57,"fixed_in":9},"lt6_1_137_1~deb11u1","6.1.137-1~deb11u1"]