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CVE-2022-50386

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

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Diese Information steht angemeldeten Benutzern zur Verfügung.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version < 11e40d6c0823f699d8ad501e48d1c3ae4be386cd
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < 843fc4e386dd84b806a7f07fb062d8c3a44e5364
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < d91fc2836562f299f34e361e089e9fe154da4f73
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < 7d6f9cb24d2b2f6b6370eac074e2e6b1bafdad45
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < 0c108cf3ad386e0084277093b55a351c49e0be27
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < d1e894f950ad48897d1a7cb05909ea29d8c3810e
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < 6ffde6e03085874ae22263ff4cef4869f797e84f
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < 15fc21695eb606bdc5d483b92118ee42610a952d
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
Version < 35fcbc4243aad7e7d020b7c1dfb14bb888b20a4f
Version 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version <= 4.9.*
Version 4.9.331
Status unaffected
Version <= 4.14.*
Version 4.14.296
Status unaffected
Version <= 4.19.*
Version 4.19.262
Status unaffected
Version <= 5.4.*
Version 5.4.220
Status unaffected
Version <= 5.10.*
Version 5.10.150
Status unaffected
Version <= 5.15.*
Version 5.15.75
Status unaffected
Version <= 5.19.*
Version 5.19.17
Status unaffected
Version <= 6.0.*
Version 6.0.3
Status unaffected
Version <= *
Version 6.1
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.04% 0.127
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String