CVE-2024-40995

linux kernel

TLP:CLEAR

csirt@kutim:~/threat-intel/cve/CVE-2024-40995

Katalog CVE

CVSS 5.5 · Medium EPSS 0,29%

Kerentanan Loop with Unreachable Exit Condition ('Infinite Loop') pada linux kernel. Skor CVSS 3.1 5.5 (Medium) menurut NVD.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() syzbot found hanging tasks waiting on rtnl_lock [1] A reproducer is available in the syzbot bug. When a request to add multiple actions with the same index is sent, the second request will block forever on the first request. This holds rtnl_lock, and causes tasks to hang. Return -EAGAIN to prevent infinite looping, while keeping documented behavior. [1] INFO: task kworker/1:0:5088 blocked for more than 143 seconds. Not tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:23744 pid:5088 tgid:5088 ppid:2 flags:0x00004000 Workqueue: events_power_efficient reg_check_chans_work Call Trace: <TASK> context_switch kernel/sched/core.c:5409 [inline] __schedule+0xf15/0x5d00 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 wiphy_lock include/net/cfg80211.h:5953 [inline] reg_leave_invalid_chans net/wireless/reg.c:2466 [inline] reg_check_chans_work+0x10a/0x10e0 net/wireless/reg.c:2481

Rincian

Terbit di NVD
12 Juli 2024
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
5.5 (Medium), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
EPSS (30 hari)
0,29% peluang dieksploitasi; lebih tinggi dari 19,8% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
linux linux kernel Versi 4.19 hingga sebelum 5.4.279
linux linux kernel Versi 5.5 hingga sebelum 5.10.221
linux linux kernel Versi 5.11 hingga sebelum 5.15.162
linux linux kernel Versi 5.16 hingga sebelum 6.1.96
linux linux kernel Versi 6.2 hingga sebelum 6.6.36
linux linux kernel Versi 6.7 hingga sebelum 6.9.7
linux linux kernel Versi 6.10 rc1
linux linux kernel Versi 6.10 rc2
linux linux kernel Versi 6.10 rc3
linux linux kernel Versi 6.10 rc4

> 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.