CVE-2022-48924

In the Linux kernel, the following vulnerability has been resolved: thermal: int340x: fix memory leak in int3400_notify() It is easy to hit the below memory leaks in my TigerLake platform: unreferenced object 0xffff927c8b91dbc0 (size 32): comm "kworker/0:2", pid 112, jiffies 4294893323 (age 83.604s) hex dump (first 32 bytes): 4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65 NAME=INT3400 The 72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 rmal.kkkkkkkkkk. backtrace: [<ffffffff9c502c3e>] __kmalloc_track_caller+0x2fe/0x4a0 [<ffffffff9c7b7c15>] kvasprintf+0x65/0xd0 [<ffffffff9c7b7d6e>] kasprintf+0x4e/0x70 [<ffffffffc04cb662>] int3400_notify+0x82/0x120 [int3400_thermal] [<ffffffff9c8b7358>] acpi_ev_notify_dispatch+0x54/0x71 [<ffffffff9c88f1a7>] acpi_os_execute_deferred+0x17/0x30 [<ffffffff9c2c2c0a>] process_one_work+0x21a/0x3f0 [<ffffffff9c2c2e2a>] worker_thread+0x4a/0x3b0 [<ffffffff9c2cb4dd>] kthread+0xfd/0x130 [<ffffffff9c201c1f>] ret_from_fork+0x1f/0x30 Fix it by calling kfree() accordingly.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

27 Aug 2024, 16:07

Type Values Removed Values Added
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-401
References () https://git.kernel.org/stable/c/2e798814e01827871938ff172d2b2ccf1e74b355 - () https://git.kernel.org/stable/c/2e798814e01827871938ff172d2b2ccf1e74b355 - Patch
References () https://git.kernel.org/stable/c/33c73a4d7e7b19313a6b417152f5365016926418 - () https://git.kernel.org/stable/c/33c73a4d7e7b19313a6b417152f5365016926418 - Patch
References () https://git.kernel.org/stable/c/3abea10e6a8f0e7804ed4c124bea2d15aca977c8 - () https://git.kernel.org/stable/c/3abea10e6a8f0e7804ed4c124bea2d15aca977c8 - Patch
References () https://git.kernel.org/stable/c/ba9efbbf6745750d34c1e87c9539ce9db645ca0a - () https://git.kernel.org/stable/c/ba9efbbf6745750d34c1e87c9539ce9db645ca0a - Patch
References () https://git.kernel.org/stable/c/c3fa6d1937a8d0828131a04ae2cd2c30d0668693 - () https://git.kernel.org/stable/c/c3fa6d1937a8d0828131a04ae2cd2c30d0668693 - Patch
References () https://git.kernel.org/stable/c/e098933866f9e1dd3ef4eebbe2e3d504f970f599 - () https://git.kernel.org/stable/c/e098933866f9e1dd3ef4eebbe2e3d504f970f599 - Patch
References () https://git.kernel.org/stable/c/f0ddc5184b0127038d05008e2a69f89d1e13f980 - () https://git.kernel.org/stable/c/f0ddc5184b0127038d05008e2a69f89d1e13f980 - Patch

22 Aug 2024, 12:48

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: térmica: int340x: corrige la pérdida de memoria en int3400_notify() Es fácil solucionar las siguientes pérdidas de memoria en mi plataforma TigerLake: objeto sin referencia 0xffff927c8b91dbc0 (tamaño 32): comm "kworker/0 :2", pid 112, santiamén 4294893323 (edad 83.604s) volcado hexadecimal (primeros 32 bytes): 4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65 NAME=INT3400 The 72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 rmal.kkkkkkkkkk. seguimiento: [] __kmalloc_track_caller+0x2fe/0x4a0 [] kvasprintf+0x65/0xd0 [] kasprintf+0x4e/0x70 [] notificar+0x82/0x120 [int3400_thermal] [] acpi_ev_notify_dispatch+0x54/0x71 [] acpi_os_execute_deferred+0x17/0x30 [] Process_one_work+0x21a/0x3f0 [] trabajador_thread+0x4a/0x3b0 ffffffff9c2cb4dd&gt;] kthread+0xfd/0x130 [] ret_from_fork+0x1f/0x30 Solucionarlo llamando a kfree() en consecuencia.

22 Aug 2024, 02:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-08-22 02:15

Updated : 2024-08-27 16:07


NVD link : CVE-2022-48924

Mitre link : CVE-2022-48924

CVE.ORG link : CVE-2022-48924


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime