CVE-2024-35819

soc: fsl: qbman: Use raw spinlock for cgr_lock

Severity Score

"-"

*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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

soc: fsl: qbman: Use raw spinlock for cgr_lock

smp_call_function always runs its callback in hard IRQ context, even on
PREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock
for cgr_lock to ensure we aren't waiting on a sleeping task.

Although this bug has existed for a while, it was not apparent until
commit ef2a8d5478b9 ("net: dpaa: Adjust queue depth on rate change")
which invokes smp_call_function_single via qman_update_cgr_safe every
time a link goes up or down.

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: soc: fsl: qbman: use spinlock sin formato para cgr_lock smp_call_function siempre ejecuta su devolución de llamada en un contexto IRQ duro, incluso en PREEMPT_RT, donde los spinlocks pueden dormir. Por lo tanto, necesitamos usar un spinlock sin formato para cgr_lock para asegurarnos de que no estamos esperando una tarea inactiva. Aunque este error ha existido por un tiempo, no fue evidente hasta la confirmación ef2a8d5478b9 ("net: dpaa: Ajustar la profundidad de la cola al cambiar la velocidad") que invoca smp_call_function_single a través de qman_update_cgr_safe cada vez que un enlace sube o baja.

*Credits: N/A

CVSS Scores

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-17 CVE Reserved
2024-05-17 CVE Published
2024-05-18 EPSS Updated
2024-12-19 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (15)

URL	Tag	Source
https://git.kernel.org/stable/c/96f413f47677366e0ae03797409bfcc4151dbf9e	Vuln. Introduced
https://git.kernel.org/stable/c/a85c525bbff4d7467d7f0ab6fed8e2f787b073d6	Vuln. Introduced
https://git.kernel.org/stable/c/29cd9c2d1f428c281962135ea046a9d7bda88d14	Vuln. Introduced
https://git.kernel.org/stable/c/5b10a404419f0532ef3ba990c12bebe118adb6d7	Vuln. Introduced
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02	2024-04-13
https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59	2024-04-13
https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1	2024-04-13
https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5e	2024-04-10
https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14	2024-04-03
https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baa	2024-04-03
https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6df	2024-04-03
https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506	2024-04-03
https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bc	2024-03-13

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"				>= 4.16 < 4.19.312 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 4.19.312"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 5.4.274 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.4.274"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 5.10.215 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.10.215"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 5.15.154 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.15.154"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 6.1.84 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 6.1.84"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 6.6.24 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 6.6.24"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 6.7.12 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 6.7.12"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 6.8.3 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 6.8.3"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.16 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 6.9"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				4.9.92 Search vendor "Linux" for product "Linux Kernel" and version "4.9.92"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				4.14.32 Search vendor "Linux" for product "Linux Kernel" and version "4.14.32"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				4.15.15 Search vendor "Linux" for product "Linux Kernel" and version "4.15.15"		en		Affected