{"id":"CVE-2024-27053","summary":"wifi: wilc1000: fix RCU usage in connect path","details":"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","modified":"2026-04-02T10:07:01.620084Z","published":"2024-05-01T12:54:45.964Z","related":["SUSE-SU-2024:2008-1","SUSE-SU-2024:2019-1","SUSE-SU-2024:2190-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27053.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/205c50306acf58a335eb19fa84e40140f4fe814f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5800ec78775c0cd646f71eb9bf8402fb794807de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/745003b5917b610352f52fe0d11ef658d6471ec2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b4bbf38c350acb6500cbe667b1e2e68f896e4b38"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd50d3ead6e3707bb0a5df7cc832730c93ace3a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e556006de4ea93abe2b46cba202a2556c544b8b2"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27053.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27053"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c460495ee072fc01a9b1e8d72c179510418cafac"},{"fixed":"e556006de4ea93abe2b46cba202a2556c544b8b2"},{"fixed":"b4bbf38c350acb6500cbe667b1e2e68f896e4b38"},{"fixed":"d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2"},{"fixed":"745003b5917b610352f52fe0d11ef658d6471ec2"},{"fixed":"4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce"},{"fixed":"5800ec78775c0cd646f71eb9bf8402fb794807de"},{"fixed":"dd50d3ead6e3707bb0a5df7cc832730c93ace3a7"},{"fixed":"205c50306acf58a335eb19fa84e40140f4fe814f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27053.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}