CVSS 8.0 · High EPSS 0,37%
Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 8.0 (High) menurut NVD.
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2cap_chan_hold_unless_zero() after calling __l2cap_get_chan_blah() to prevent the following trace: Bluetooth: l2cap_core.c:static void l2cap_chan_destroy(struct kref *kref) Bluetooth: chan 0000000023c4974d Bluetooth: parent 00000000ae861c08 ================================================================== BUG: KASAN: use-after-free in __mutex_waiter_is_first kernel/locking/mutex.c:191 [inline] BUG: KASAN: use-after-free in __mutex_lock_common kernel/locking/mutex.c:671 [inline] BUG: KASAN: use-after-free in __mutex_lock+0x278/0x400 kernel/locking/mutex.c:729 Read of size 8 at addr ffff888006a49b08 by task kworker/u3:2/389
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| linux | linux kernel | Semua versi sebelum 4.9.331 |
| linux | linux kernel | Versi 4.10 hingga sebelum 4.14.296 |
| linux | linux kernel | Versi 4.15 hingga sebelum 4.19.262 |
| linux | linux kernel | Versi 4.20 hingga sebelum 5.4.220 |
| linux | linux kernel | Versi 5.5 hingga sebelum 5.10.150 |
| linux | linux kernel | Versi 5.11 hingga sebelum 5.15.75 |
| linux | linux kernel | Versi 5.16 hingga sebelum 5.19.17 |
| linux | linux kernel | Versi 6.0 hingga sebelum 6.0.3 |