[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2023-53354":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":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2023-53354","In the Linux kernel, the following vulnerability has been resolved:  skbuff: skb_segment, Call zero copy functions before using skbuff frags  Commit bf5c25d60861 (\"skbuff: in skb_segment, call zerocopy functions once per nskb\") added the call to zero copy functions in skb_segment(). The change introduced a bug in skb_segment() because skb_orphan_frags() may possibly change the number of fragments or allocate new fragments altogether leaving nrfrags and frag to point to the old values. This can cause a panic with stacktrace like the one below.  [  193.894380] BUG: kernel NULL pointer dereference, address: 00000000000000bc [  193.895273] CPU: 13 PID: 18164 Comm: vh-net-17428 Kdump: loaded Tainted: G           O      5.15.123+ #26 [  193.903919] RIP: 0010:skb_segment+0xb0e/0x12f0 [  194.021892] Call Trace: [  194.027422]  \u003CTASK> [  194.072861]  tcp_gso_segment+0x107/0x540 [  194.082031]  inet_gso_segment+0x15c/0x3d0 [  194.090783]  skb_mac_gso_segment+0x9f/0x110 [  194.095016]  __skb_gso_segment+0xc1/0x190 [  194.103131]  netem_enqueue+0x290/0xb10 [sch_netem] [  194.107071]  dev_qdisc_enqueue+0x16/0x70 [  194.110884]  __dev_queue_xmit+0x63b/0xb30 [  194.121670]  bond_start_xmit+0x159/0x380 [bonding] [  194.128506]  dev_hard_start_xmit+0xc3/0x1e0 [  194.131787]  __dev_queue_xmit+0x8a0/0xb30 [  194.138225]  macvlan_start_xmit+0x4f/0x100 [macvlan] [  194.141477]  dev_hard_start_xmit+0xc3/0x1e0 [  194.144622]  sch_direct_xmit+0xe3/0x280 [  194.147748]  __dev_queue_xmit+0x54a/0xb30 [  194.154131]  tap_get_user+0x2a8/0x9c0 [tap] [  194.157358]  tap_sendmsg+0x52/0x8e0 [tap] [  194.167049]  handle_tx_zerocopy+0x14e/0x4c0 [vhost_net] [  194.173631]  handle_tx+0xcd/0xe0 [vhost_net] [  194.176959]  vhost_worker+0x76/0xb0 [vhost] [  194.183667]  kthread+0x118/0x140 [  194.190358]  ret_from_fork+0x1f/0x30 [  194.193670]  \u003C/TASK>  In this case calling skb_orphan_frags() updated nr_frags leaving nrfrags local variable in skb_segment() stale. This resulted in the code hitting i >= nrfrags prematurely and trying to move to next frag_skb using list_skb pointer, which was NULL, and caused kernel panic. Move the call to zero copy functions before using frags and nr_frags.",null,[],[],[],[14],{"_key":15},"CVE-2023-53354",[],[],[],"2025-09-17T15:15:39.403Z","2026-04-28T20:26:58.981448Z",{"cisa_kev":22,"cisa_ransomware":22,"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,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2023-53354",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},5.5,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",6,4.6,[40],{"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",[46,52,55,58],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt5_10_197_1",true,"ecosystem","5.10.197-1","excluding",{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":51,"fixed_in":9},"lt6_1_55_1","6.1.55-1",{"version":56,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":57,"version_end_type":51,"fixed_in":9},"lt6_5_3_1","6.5.3-1",{"version":56,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":57,"version_end_type":51,"fixed_in":9}]