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CVE-2023-54210

Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor()

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor()

KASAN reports that there's a use-after-free in
hci_remove_adv_monitor(). Trawling through the disassembly, you can
see that the complaint is from the access in bt_dev_dbg() under the
HCI_ADV_MONITOR_EXT_MSFT case. The problem case happens because
msft_remove_monitor() can end up freeing the monitor
structure. Specifically:
  hci_remove_adv_monitor() ->
  msft_remove_monitor() ->
  msft_remove_monitor_sync() ->
  msft_le_cancel_monitor_advertisement_cb() ->
  hci_free_adv_monitor()

Let's fix the problem by just stashing the relevant data when it's
still valid.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 7cf5c2978f23fdbb2dd7b4e8b07e362ae2d8211c
Version < 0d4d6b083da9b033ddccef72d77f373c819ae3ea
Status affected
Version 7cf5c2978f23fdbb2dd7b4e8b07e362ae2d8211c
Version < bf00c2c8f6254f44ac041aa9a311ae9e0caf692b
Status affected
Version 7cf5c2978f23fdbb2dd7b4e8b07e362ae2d8211c
Version < de6dfcefd107667ce2dbedf4d9337f5ed557a4a1
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.0
Status affected
Version 0
Version < 6.0
Status unaffected
Version <= 6.1.*
Version 6.1.42
Status unaffected
Version <= 6.4.*
Version 6.4.7
Status unaffected
Version <= *
Version 6.5
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.092
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.