{"cve":"CVE-2024-27053","nvd":{"published":"2024-05-01T13:15:50.223","modified":"2026-10-15T01:17:38.017","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: fix RCU usage in connect path\n\nWith lockdep enabled, calls to the connect function from cfg802.11 layer\nlead to the following warning:\n\n=============================\nWARNING: suspicious RCU usage\n6.7.0-rc1-wt+ #333 Not tainted\n-----------------------------\ndrivers/net/wireless/microchip/wilc1000/hif.c:386\nsuspicious rcu_dereference_check() usage!\n[...]\nstack backtrace:\nCPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt+ #333\nHardware name: Atmel SAMA5\n unwind_backtrace from show_stack+0x18/0x1c\n show_stack from dump_stack_lvl+0x34/0x48\n dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4\n wilc_parse_join_bss_param from connect+0x2c4/0x648\n connect from cfg80211_connect+0x30c/0xb74\n cfg80211_connect from nl80211_connect+0x860/0xa94\n nl80211_connect from genl_rcv_msg+0x3fc/0x59c\n genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8\n netlink_rcv_skb from genl_rcv+0x2c/0x3c\n genl_rcv from netlink_unicast+0x3b0/0x550\n netlink_unicast from netlink_sendmsg+0x368/0x688\n netlink_sendmsg from ____sys_sendmsg+0x190/0x430\n ____sys_sendmsg from ___sys_sendmsg+0x110/0x158\n ___sys_sendmsg from sys_sendmsg+0xe8/0x150\n sys_sendmsg from ret_fast_syscall+0x0/0x1c\n\nThis warning is emitted because in the connect path, when trying to parse\ntarget BSS parameters, we dereference a RCU pointer whithout being in RCU\ncritical section.\nFix RCU dereference usage by moving it to a RCU read critical section. To\navoid wrapping the whole wilc_parse_join_bss_param under the critical\nsection, just use the critical section to copy ies data","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/205c50306acf58a335eb19fa84e40140f4fe814f","https://git.kernel.org/stable/c/4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce","https://git.kernel.org/stable/c/5800ec78775c0cd646f71eb9bf8402fb794807de","https://git.kernel.org/stable/c/745003b5917b610352f52fe0d11ef658d6471ec2","https://git.kernel.org/stable/c/b4bbf38c350acb6500cbe667b1e2e68f896e4b38"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:49:08.435428910+00:00"},"epss":{"cve":"CVE-2024-27053","score":0.01648,"percentile":0.76317,"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."]}