CVE-2024-26877

crypto: xilinx - call finalize with bh disabled

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:

crypto: xilinx - call finalize with bh disabled

When calling crypto_finalize_request, BH should be disabled to avoid
triggering the following calltrace:

------------[ cut here ]------------
WARNING: CPU: 2 PID: 74 at crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118
Modules linked in: cryptodev(O)
CPU: 2 PID: 74 Comm: firmware:zynqmp Tainted: G O 6.8.0-rc1-yocto-standard #323
Hardware name: ZynqMP ZCU102 Rev1.0 (DT)
pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : crypto_finalize_request+0xa0/0x118
lr : crypto_finalize_request+0x104/0x118
sp : ffffffc085353ce0
x29: ffffffc085353ce0 x28: 0000000000000000 x27: ffffff8808ea8688
x26: ffffffc081715038 x25: 0000000000000000 x24: ffffff880100db00
x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000
x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0
x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8
x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001
x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000
x2 : ffffffc7f9653000 x1 : 0000000000000000 x0 : ffffff8802d20000
Call trace:
crypto_finalize_request+0xa0/0x118
crypto_finalize_aead_request+0x18/0x30
zynqmp_handle_aes_req+0xcc/0x388
crypto_pump_work+0x168/0x2d8
kthread_worker_fn+0xfc/0x3a0
kthread+0x118/0x138
ret_from_fork+0x10/0x20
irq event stamp: 40
hardirqs last enabled at (39): [<ffffffc0812416f8>] _raw_spin_unlock_irqrestore+0x70/0xb0
hardirqs last disabled at (40): [<ffffffc08122d208>] el1_dbg+0x28/0x90
softirqs last enabled at (36): [<ffffffc080017dec>] kernel_neon_begin+0x8c/0xf0
softirqs last disabled at (34): [<ffffffc080017dc0>] kernel_neon_begin+0x60/0xf0
---[ end trace 0000000000000000 ]---

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: crypto: xilinx - llamada a finalizar con bh deshabilitado Al llamar a crypto_finalize_request, BH debe estar deshabilitado para evitar que se active el siguiente seguimiento de llamadas: ------------[ cut aquí ]------------ ADVERTENCIA: CPU: 2 PID: 74 en crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118 Módulos vinculados en: cryptodev(O) CPU: 2 PID: 74 Comm : firmware:zynqmp Contaminado: GO 6.8.0-rc1-yocto-standard #323 Nombre del hardware: ZynqMP ZCU102 Rev1.0 (DT) pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc: crypto_finalize_request+0xa0/0x118 lr: crypto_finalize_request+0x104/0x118 sp: ffffffc085353ce0 x29: ffffffc085353ce0 x28: 00000000000000000 x27: ffffff8808ea8688 x26: 15038 x25: 0000000000000000 x24: ffffff880100db00 x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000 x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0 x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8 x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001 x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000 x2 : ffffffc7f9653000 x1: 0000000000000000 x0: ffffff8802d20000 Rastreo de llamadas: crypto_finalize_request+0xa0/0x118 crypto_finalize_aead_request+0x18/0x30 zynqmp_handle_aes_req+0xcc/0x388 crypto_pump_work+0x 168/0x2d8 kthread_worker_fn+0xfc/0x3a0 kthread+0x118/0x138 ret_from_fork+0x10/0x20 sello de evento irq: 40 hardirqs habilitado por última vez en (39): [] _raw_spin_unlock_irqrestore+0x70/0xb0 hardirqs habilitado por última vez en (40): [] el1_dbg+0x28/0x90 softirqs habilitado por última vez en (36): [] _comenzar +0x8c/0xf0 softirqs se deshabilitó por última vez en (34): [] kernel_neon_begin+0x60/0xf0 ---[ final de seguimiento 0000000000000000 ]---

*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

2024-02-19 CVE Reserved
2024-04-17 CVE Published
2024-04-18 EPSS Updated
2024-12-19 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (9)

URL	Tag	Source
https://git.kernel.org/stable/c/4d96f7d48131fefe30d7c1d1e2a23ef37164dbf5	Vuln. Introduced
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/8a01335aedc50a66d04dd39203c89f4bc8042596	2024-03-26
https://git.kernel.org/stable/c/03e6d4e948432a61b35783323b6ab2be071d2619	2024-03-26
https://git.kernel.org/stable/c/a71f66bd5f7b9b35a8aaa49e29565eca66299399	2024-03-26
https://git.kernel.org/stable/c/23bc89fdce71124cd2126fc919c7076e7cb489cf	2024-03-26
https://git.kernel.org/stable/c/9db89b1fb85557892e6681724b367287de5f9f20	2024-03-26
https://git.kernel.org/stable/c/dbf291d8ffffb70f48286176a15c6c54f0bb0743	2024-03-26
https://git.kernel.org/stable/c/a853450bf4c752e664abab0b2fad395b7ad7701c	2024-02-09

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"				>= 5.7 < 5.10.214 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 5.10.214"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.7 < 5.15.153 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 5.15.153"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.7 < 6.1.83 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 6.1.83"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.7 < 6.6.23 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 6.6.23"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.7 < 6.7.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 6.7.11"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.7 < 6.8.2 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 6.8.2"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.7 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 6.9"		en		Affected