CVE-2024-36002
dpll: fix dpll_pin_on_pin_register() for multiple parent pins
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
dpll: fix dpll_pin_on_pin_register() for multiple parent pins
In scenario where pin is registered with multiple parent pins via
dpll_pin_on_pin_register(..), all belonging to the same dpll device.
A second call to dpll_pin_on_pin_unregister(..) would cause a call trace,
as it tries to use already released registration resources (due to fix
introduced in b446631f355e). In this scenario pin was registered twice,
so resources are not yet expected to be release until each registered
pin/pin pair is unregistered.
Currently, the following crash/call trace is produced when ice driver is
removed on the system with installed E810T NIC which includes dpll device:
WARNING: CPU: 51 PID: 9155 at drivers/dpll/dpll_core.c:809 dpll_pin_ops+0x20/0x30
RIP: 0010:dpll_pin_ops+0x20/0x30
Call Trace:
? __warn+0x7f/0x130
? dpll_pin_ops+0x20/0x30
dpll_msg_add_pin_freq+0x37/0x1d0
dpll_cmd_pin_get_one+0x1c0/0x400
? __nlmsg_put+0x63/0x80
dpll_pin_event_send+0x93/0x140
dpll_pin_on_pin_unregister+0x3f/0x100
ice_dpll_deinit_pins+0xa1/0x230 [ice]
ice_remove+0xf1/0x210 [ice]
Fix by adding a parent pointer as a cookie when creating a registration,
also when searching for it. For the regular pins pass NULL, this allows to
create separated registration for each parent the pin is registered with.
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: dpll: corrige dpll_pin_on_pin_register() para múltiples pines principales En un escenario donde el pin se registra con múltiples pines principales a través de dpll_pin_on_pin_register(..), todos pertenecientes al mismo dispositivo dpll. Una segunda llamada a dpll_pin_on_pin_unregister(..) provocaría un seguimiento de la llamada, ya que intenta utilizar recursos de registro ya liberados (debido a la solución introducida en b446631f355e). En este escenario, el pin se registró dos veces, por lo que aún no se espera que se liberen recursos hasta que se cancele el registro de cada pin/par de pines registrado. Actualmente, se produce el siguiente seguimiento de fallas/llamadas cuando se elimina el controlador Ice en el sistema con la NIC E810T instalada que incluye el dispositivo dpll: ADVERTENCIA: CPU: 51 PID: 9155 en drivers/dpll/dpll_core.c:809 dpll_pin_ops+0x20/0x30 RIP: 0010:dpll_pin_ops+0x20/0x30 Seguimiento de llamadas:? __warn+0x7f/0x130 ? dpll_pin_ops+0x20/0x30 dpll_msg_add_pin_freq+0x37/0x1d0 dpll_cmd_pin_get_one+0x1c0/0x400 ? __nlmsg_put+0x63/0x80 dpll_pin_event_send+0x93/0x140 dpll_pin_on_pin_unregister+0x3f/0x100 ice_dpll_deinit_pins+0xa1/0x230 [ice] ice_remove+0xf1/0x210 [ice] Se soluciona agregando un puntero principal como cookie al crear un registro. también al buscarlo . Para los pines normales pasan NULL, esto permite crear un registro separado para cada padre con el que está registrado el pin.
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-05-17 CVE Reserved
- 2024-05-20 CVE Published
- 2024-05-21 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (4)
URL | Tag | Source |
---|---|---|
https://git.kernel.org/stable/c/b27e32e9367dac024cd6f61f22655714f483fd67 | Vuln. Introduced | |
https://git.kernel.org/stable/c/769324eb35143462542cdb15483cdaf4877bf661 | Vuln. Introduced |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://git.kernel.org/stable/c/f3e1cf62d18220a3aa97e084e7a3552debece9fc | 2024-05-02 | |
https://git.kernel.org/stable/c/38d7b94e81d068b8d8c8392f421cfd2c3bbfd1a6 | 2024-04-25 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.8.2 < 6.8.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.8.2 < 6.8.9" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.7.11 Search vendor "Linux" for product "Linux Kernel" and version "6.7.11" | en |
Affected
|