{"cve":"CVE-2023-53141","nvd":{"published":"2025-05-02T16:15:33.023","modified":"2026-06-17T06:44:22.417","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nila: do not generate empty messages in ila_xlat_nl_cmd_get_mapping()\n\nila_xlat_nl_cmd_get_mapping() generates an empty skb,\ntriggerring a recent sanity check [1].\n\nInstead, return an error code, so that user space\ncan get it.\n\n[1]\nskb_assert_len\nWARNING: CPU: 0 PID: 5923 at include/linux/skbuff.h:2527 skb_assert_len include/linux/skbuff.h:2527 [inline]\nWARNING: CPU: 0 PID: 5923 at include/linux/skbuff.h:2527 __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156\nModules linked in:\nCPU: 0 PID: 5923 Comm: syz-executor269 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023\npstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : skb_assert_len include/linux/skbuff.h:2527 [inline]\npc : __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156\nlr : skb_assert_len include/linux/skbuff.h:2527 [inline]\nlr : __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156\nsp : ffff80001e0d6c40\nx29: ffff80001e0d6e60 x28: dfff800000000000 x27: ffff0000c86328c0\nx26: dfff800000000000 x25: ffff0000c8632990 x24: ffff0000c8632a00\nx23: 0000000000000000 x22: 1fffe000190c6542 x21: ffff0000c8632a10\nx20: ffff0000c8632a00 x19: ffff80001856e000 x18: ffff80001e0d5fc0\nx17: 0000000000000000 x16: ffff80001235d16c x15: 0000000000000000\nx14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001\nx11: ff80800008353a30 x10: 0000000000000000 x9 : 21567eaf25bfb600\nx8 : 21567eaf25bfb600 x7 : 0000000000000001 x6 : 0000000000000001\nx5 : ffff80001e0d6558 x4 : ffff800015c74760 x3 : ffff800008596744\nx2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000000e\nCall trace:\nskb_assert_len include/linux/skbuff.h:2527 [inline]\n__dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156\ndev_queue_xmit include/linux/netdevice.h:3033 [inline]\n__netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline]\n__netlink_deliver_tap+0x45c/0x6f8 net/netlink/af_netlink.c:325\nnetlink_deliver_tap+0xf4/0x174 net/netlink/af_netlink.c:338\n__netlink_sendskb net/netlink/af_netlink.c:1283 [inline]\nnetlink_sendskb+0x6c/0x154 net/netlink/af_netlink.c:1292\nnetlink_unicast+0x334/0x8d4 net/netlink/af_netlink.c:1380\nnlmsg_unicast include/net/netlink.h:1099 [inline]\ngenlmsg_unicast include/net/genetlink.h:433 [inline]\ngenlmsg_reply include/net/genetlink.h:443 [inline]\nila_xlat_nl_cmd_get_mapping+0x620/0x7d0 net/ipv6/ila/ila_xlat.c:493\ngenl_family_rcv_msg_doit net/netlink/genetlink.c:968 [inline]\ngenl_family_rcv_msg net/netlink/genetlink.c:1048 [inline]\ngenl_rcv_msg+0x938/0xc1c net/netlink/genetlink.c:1065\nnetlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2574\ngenl_rcv+0x38/0x50 net/netlink/genetlink.c:1076\nnetlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]\nnetlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365\nnetlink_sendmsg+0x800/0xae0 net/netlink/af_netlink.c:1942\nsock_sendmsg_nosec net/socket.c:714 [inline]\nsock_sendmsg net/socket.c:734 [inline]\n____sys_sendmsg+0x558/0x844 net/socket.c:2479\n___sys_sendmsg net/socket.c:2533 [inline]\n__sys_sendmsg+0x26c/0x33c net/socket.c:2562\n__do_sys_sendmsg net/socket.c:2571 [inline]\n__se_sys_sendmsg net/socket.c:2569 [inline]\n__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2569\n__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]\ninvoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52\nel0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142\ndo_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193\nel0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637\nel0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655\nel0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591\nirq event stamp: 136484\nhardirqs last enabled at (136483): [<ffff800008350244>] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:345\nhardirqs last disabled at (136484): [<ffff800012358d60>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405\nsoftirqs last enabled at (136418): [<ffff800008020ea8>] softirq_ha\n---truncated---","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/25b54f247ea060aeb85ec88a82c75060fca03521","https://git.kernel.org/stable/c/42d9ed4e5dc5f87fbd67c232e2e4a9b88ceeb47f","https://git.kernel.org/stable/c/60fe7cb483c8c5dcadaeeac867251d6e59c7badc","https://git.kernel.org/stable/c/693aa2c0d9b6d5b1f2745d31b6e70d09dbbaf06e","https://git.kernel.org/stable/c/783f218940b3c7b872e4111d0145000f26ecbdf6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2023-53141","score":0.0019,"percentile":0.08706,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}