{"cve":"CVE-2024-42114","nvd":{"published":"2024-07-30T08:15:03.797","modified":"2026-10-15T01:18:43.980","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: restrict NL80211_ATTR_TXQ_QUANTUM values\n\nsyzbot is able to trigger softlockups, setting NL80211_ATTR_TXQ_QUANTUM\nto 2^31.\n\nWe had a similar issue in sch_fq, fixed with commit\nd9e15a273306 (\"pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM\")\n\nwatchdog: BUG: soft lockup - CPU#1 stuck for 26s! [kworker/1:0:24]\nModules linked in:\nirq event stamp: 131135\n hardirqs last  enabled at (131134): [<ffff80008ae8778c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]\n hardirqs last  enabled at (131134): [<ffff80008ae8778c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95\n hardirqs last disabled at (131135): [<ffff80008ae85378>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]\n hardirqs last disabled at (131135): [<ffff80008ae85378>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551\n softirqs last  enabled at (125892): [<ffff80008907e82c>] neigh_hh_init net/core/neighbour.c:1538 [inline]\n softirqs last  enabled at (125892): [<ffff80008907e82c>] neigh_resolve_output+0x268/0x658 net/core/neighbour.c:1553\n softirqs last disabled at (125896): [<ffff80008904166c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19\nCPU: 1 PID: 24 Comm: kworker/1:0 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nWorkqueue: mld mld_ifc_work\npstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : __list_del include/linux/list.h:195 [inline]\n pc : __list_del_entry include/linux/list.h:218 [inline]\n pc : list_move_tail include/linux/list.h:310 [inline]\n pc : fq_tin_dequeue include/net/fq_impl.h:112 [inline]\n pc : ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854\n lr : __list_del_entry include/linux/list.h:218 [inline]\n lr : list_move_tail include/linux/list.h:310 [inline]\n lr : fq_tin_dequeue include/net/fq_impl.h:112 [inline]\n lr : ieee80211_tx_dequeue+0x67c/0x3b4c net/mac80211/tx.c:3854\nsp : ffff800093d36700\nx29: ffff800093d36a60 x28: ffff800093d36960 x27: dfff800000000000\nx26: ffff0000d800ad50 x25: ffff0000d800abe0 x24: ffff0000d800abf0\nx23: ffff0000e0032468 x22: ffff0000e00324d4 x21: ffff0000d800abf0\nx20: ffff0000d800abf8 x19: ffff0000d800abf0 x18: ffff800093d363c0\nx17: 000000000000d476 x16: ffff8000805519dc x15: ffff7000127a6cc8\nx14: 1ffff000127a6cc8 x13: 0000000000000004 x12: ffffffffffffffff\nx11: ffff7000127a6cc8 x10: 0000000000ff0100 x9 : 0000000000000000\nx8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000\nx5 : ffff80009287aa08 x4 : 0000000000000008 x3 : ffff80008034c7fc\nx2 : ffff0000e0032468 x1 : 00000000da0e46b8 x0 : ffff0000e0032470\nCall trace:\n  __list_del include/linux/list.h:195 [inline]\n  __list_del_entry include/linux/list.h:218 [inline]\n  list_move_tail include/linux/list.h:310 [inline]\n  fq_tin_dequeue include/net/fq_impl.h:112 [inline]\n  ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854\n  wake_tx_push_queue net/mac80211/util.c:294 [inline]\n  ieee80211_handle_wake_tx_queue+0x118/0x274 net/mac80211/util.c:315\n  drv_wake_tx_queue net/mac80211/driver-ops.h:1350 [inline]\n  schedule_and_wake_txq net/mac80211/driver-ops.h:1357 [inline]\n  ieee80211_queue_skb+0x18e8/0x2244 net/mac80211/tx.c:1664\n  ieee80211_tx+0x260/0x400 net/mac80211/tx.c:1966\n  ieee80211_xmit+0x278/0x354 net/mac80211/tx.c:2062\n  __ieee80211_subif_start_xmit+0xab8/0x122c net/mac80211/tx.c:4338\n  ieee80211_subif_start_xmit+0xe0/0x438 net/mac80211/tx.c:4532\n  __netdev_start_xmit include/linux/netdevice.h:4903 [inline]\n  netdev_start_xmit include/linux/netdevice.h:4917 [inline]\n  xmit_one net/core/dev.c:3531 [inline]\n  dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547\n  __dev_queue_xmit+0x1678/0x33fc net/core/dev.c:4341\n  dev_queue_xmit include/linux/netdevice.h:3091 [inline]\n  neigh_resolve_output+0x558/0x658 net/core/neighbour.c:1563\n  neigh_output include/net/neighbour.h:542 [inline]\n  ip6_fini\n---truncated---","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","score":4.4},"cwes":["CWE-667"],"references":["https://git.kernel.org/stable/c/33ac5a4eb3d4bea2146658f1b6d1fa86d62d2b22","https://git.kernel.org/stable/c/3fc06f6d142d2840735543216a60d0a8c345bdec","https://git.kernel.org/stable/c/80ac0cc9c0bef984e29637b1efa93d7214b42f53","https://git.kernel.org/stable/c/8a3ac7fb36962c34698f884bd697938054ff2afa","https://git.kernel.org/stable/c/d1cba2ea8121e7fdbe1328cea782876b1dd80993"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:53:51.317825789+00:00"},"epss":{"cve":"CVE-2024-42114","score":0.00176,"percentile":0.07058,"date":"2026-10-25"},"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."]}