CVE-2024-27053

linux kernel, debian linux

TLP:CLEAR

csirt@kutim:~/threat-intel/cve/CVE-2024-27053

Katalog CVE

CVSS 8.8 · High EPSS 1,6%

Kerentanan NULL Pointer Dereference pada linux kernel, debian linux. Skor CVSS 3.1 8.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix RCU usage in connect path With lockdep enabled, calls to the connect function from cfg802.11 layer lead to the following warning: ============================= WARNING: suspicious RCU usage 6.7.0-rc1-wt+ #333 Not tainted ----------------------------- drivers/net/wireless/microchip/wilc1000/hif.c:386 suspicious rcu_dereference_check() usage! [...] stack backtrace: CPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt+ #333 Hardware name: Atmel SAMA5 unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x48 dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4 wilc_parse_join_bss_param from connect+0x2c4/0x648 connect from cfg80211_connect+0x30c/0xb74 cfg80211_connect from nl80211_connect+0x860/0xa94 nl80211_connect from genl_rcv_msg+0x3fc/0x59c genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8 netlink_rcv_skb from genl_rcv+0x2c/0x3c genl_rcv from netlink_unicast+0x3b0/0x550 netlink_unicast from netlink_sendmsg+0x368/0x688 netlink_sendmsg from ____sys_sendmsg+0x190/0x430 ____sys_sendmsg from ___sys_sendmsg+0x110/0x158 ___sys_sendmsg from sys_sendmsg+0xe8/0x150 sys_sendmsg from ret_fast_syscall+0x0/0x1c This warning is emitted because in the connect path, when trying to parse target BSS parameters, we dereference a RCU pointer whithout being in RCU critical section. Fix RCU dereference usage by moving it to a RCU read critical section. To avoid wrapping the whole wilc_parse_join_bss_param under the critical section, just use the critical section to copy ies data

Rincian

Terbit di NVD
1 Mei 2024
Terakhir diubah
4 Agustus 2026
Status NVD
Modified
CVSS 3.1
8.8 (High), sumber CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-476: NULL Pointer Dereference
EPSS (30 hari)
1,6% peluang dieksploitasi; lebih tinggi dari 75,8% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
linux linux kernel Versi 5.1 hingga sebelum 5.4.273
linux linux kernel Versi 5.5 hingga sebelum 5.10.214
linux linux kernel Versi 5.11 hingga sebelum 5.15.153
linux linux kernel Versi 5.16 hingga sebelum 6.1.83
linux linux kernel Versi 6.2 hingga sebelum 6.6.23
linux linux kernel Versi 6.7 hingga sebelum 6.7.11
linux linux kernel Versi 6.8 hingga sebelum 6.8.2
debian debian linux Versi 10.0

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.