{"cve":"CVE-2022-48729","nvd":{"published":"2024-06-20T12:15:11.343","modified":"2026-08-04T10:17:18.110","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Fix panic with larger ipoib send_queue_size\n\nWhen the ipoib send_queue_size is increased from the default the following\npanic happens:\n\n  RIP: 0010:hfi1_ipoib_drain_tx_ring+0x45/0xf0 [hfi1]\n  Code: 31 e4 eb 0f 8b 85 c8 02 00 00 41 83 c4 01 44 39 e0 76 60 8b 8d cc 02 00 00 44 89 e3 be 01 00 00 00 d3 e3 48 03 9d c0 02 00 00 <c7> 83 18 01 00 00 00 00 00 00 48 8b bb 30 01 00 00 e8 25 af a7 e0\n  RSP: 0018:ffffc9000798f4a0 EFLAGS: 00010286\n  RAX: 0000000000008000 RBX: ffffc9000aa0f000 RCX: 000000000000000f\n  RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000\n  RBP: ffff88810ff08000 R08: ffff88889476d900 R09: 0000000000000101\n  R10: 0000000000000000 R11: ffffc90006590ff8 R12: 0000000000000200\n  R13: ffffc9000798fba8 R14: 0000000000000000 R15: 0000000000000001\n  FS:  00007fd0f79cc3c0(0000) GS:ffff88885fb00000(0000) knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: ffffc9000aa0f118 CR3: 0000000889c84001 CR4: 00000000001706e0\n  Call Trace:\n   <TASK>\n   hfi1_ipoib_napi_tx_disable+0x45/0x60 [hfi1]\n   hfi1_ipoib_dev_stop+0x18/0x80 [hfi1]\n   ipoib_ib_dev_stop+0x1d/0x40 [ib_ipoib]\n   ipoib_stop+0x48/0xc0 [ib_ipoib]\n   __dev_close_many+0x9e/0x110\n   __dev_change_flags+0xd9/0x210\n   dev_change_flags+0x21/0x60\n   do_setlink+0x31c/0x10f0\n   ? __nla_validate_parse+0x12d/0x1a0\n   ? __nla_parse+0x21/0x30\n   ? inet6_validate_link_af+0x5e/0xf0\n   ? cpumask_next+0x1f/0x20\n   ? __snmp6_fill_stats64.isra.53+0xbb/0x140\n   ? __nla_validate_parse+0x47/0x1a0\n   __rtnl_newlink+0x530/0x910\n   ? pskb_expand_head+0x73/0x300\n   ? __kmalloc_node_track_caller+0x109/0x280\n   ? __nla_put+0xc/0x20\n   ? cpumask_next_and+0x20/0x30\n   ? update_sd_lb_stats.constprop.144+0xd3/0x820\n   ? _raw_spin_unlock_irqrestore+0x25/0x37\n   ? __wake_up_common_lock+0x87/0xc0\n   ? kmem_cache_alloc_trace+0x3d/0x3d0\n   rtnl_newlink+0x43/0x60\n\nThe issue happens when the shift that should have been a function of the\ntxq item size mistakenly used the ring size.\n\nFix by using the item size.","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/1530d84fba1e459ba55f46aa42649b88773210e7","https://git.kernel.org/stable/c/8c83d39cc730378bbac64d67a551897b203a606e","https://git.kernel.org/stable/c/1530d84fba1e459ba55f46aa42649b88773210e7","https://git.kernel.org/stable/c/8c83d39cc730378bbac64d67a551897b203a606e"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2022-48729","score":0.00206,"percentile":0.10684,"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."]}