CVE-2022-49468

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  2. Vulnerabilities (CVE)
  3. CVE-2022-49468
In the Linux kernel, the following vulnerability has been resolved: thermal/core: Fix memory leak in __thermal_cooling_device_register() I got memory leak as follows when doing fault injection test: unreferenced object 0xffff888010080000 (size 264312): comm "182", pid 102533, jiffies 4296434960 (age 10.100s) hex dump (first 32 bytes): 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N.......... ff ff ff ff ff ff ff ff 40 7f 1f b9 ff ff ff ff ........@....... backtrace: [<0000000038b2f4fc>] kmalloc_order_trace+0x1d/0x110 mm/slab_common.c:969 [<00000000ebcb8da5>] __kmalloc+0x373/0x420 include/linux/slab.h:510 [<0000000084137f13>] thermal_cooling_device_setup_sysfs+0x15d/0x2d0 include/linux/slab.h:586 [<00000000352b8755>] __thermal_cooling_device_register+0x332/0xa60 drivers/thermal/thermal_core.c:927 [<00000000fb9f331b>] devm_thermal_of_cooling_device_register+0x6b/0xf0 drivers/thermal/thermal_core.c:1041 [<000000009b8012d2>] max6650_probe.cold+0x557/0x6aa drivers/hwmon/max6650.c:211 [<00000000da0b7e04>] i2c_device_probe+0x472/0xac0 drivers/i2c/i2c-core-base.c:561 If device_register() fails, thermal_cooling_device_destroy_sysfs() need be called to free the memory allocated in thermal_cooling_device_setup_sysfs().

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/18530bedd221160823f63ccc20dd55c7a03edbcf Patch
https://git.kernel.org/stable/c/21ccc58b671aea924f2481cf5c1cf0ebbfd3552d Patch
https://git.kernel.org/stable/c/3802171f0b5b8b831f4ade5c827547cb323a5bb2 Patch
https://git.kernel.org/stable/c/98a160e898c0f4a979af9de3ab48b4b1d42d1dbb Patch
https://git.kernel.org/stable/c/9abdf0c0184230f0cb5c6685aabf33dda89aa9fb Patch
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:*:*:*:*:*:*:*:*
History

17 Mar 2025, 16:09

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-401
First Time Linux linux Kernel
Linux
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: thermal/core: Fix memory leak in __thermal_cooling_device_register() Obtuve una pérdida de memoria de la siguiente manera al realizar la prueba de inyección de fallas: objeto sin referencia 0xffff888010080000 (size 264312): comm "182", pid 102533, jiffies 4296434960 (age 10.100s) hex dump (first 32 bytes): 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N.......... ff ff ff ff ff ff ff ff 40 7f 1f b9 ff ff ff ff ........@....... backtrace: [&lt;0000000038b2f4fc&gt;] kmalloc_order_trace+0x1d/0x110 mm/slab_common.c:969 [&lt;00000000ebcb8da5&gt;] __kmalloc+0x373/0x420 include/linux/slab.h:510 [&lt;0000000084137f13&gt;] thermal_cooling_device_setup_sysfs+0x15d/0x2d0 include/linux/slab.h:586 [&lt;00000000352b8755&gt;] __thermal_cooling_device_register+0x332/0xa60 drivers/thermal/thermal_core.c:927 [&lt;00000000fb9f331b&gt;] devm_thermal_of_cooling_device_register+0x6b/0xf0 drivers/thermal/thermal_core.c:1041 [&lt;000000009b8012d2&gt;] max6650_probe.cold+0x557/0x6aa drivers/hwmon/max6650.c:211 [&lt;00000000da0b7e04&gt;] i2c_device_probe+0x472/0xac0 drivers/i2c/i2c-core-base.c:561 If device_register() fails, thermal_cooling_device_destroy_sysfs() need be called to free the memory allocated in thermal_cooling_device_setup_sysfs().
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/18530bedd221160823f63ccc20dd55c7a03edbcf - () https://git.kernel.org/stable/c/18530bedd221160823f63ccc20dd55c7a03edbcf - Patch
References () https://git.kernel.org/stable/c/21ccc58b671aea924f2481cf5c1cf0ebbfd3552d - () https://git.kernel.org/stable/c/21ccc58b671aea924f2481cf5c1cf0ebbfd3552d - Patch
References () https://git.kernel.org/stable/c/3802171f0b5b8b831f4ade5c827547cb323a5bb2 - () https://git.kernel.org/stable/c/3802171f0b5b8b831f4ade5c827547cb323a5bb2 - Patch
References () https://git.kernel.org/stable/c/98a160e898c0f4a979af9de3ab48b4b1d42d1dbb - () https://git.kernel.org/stable/c/98a160e898c0f4a979af9de3ab48b4b1d42d1dbb - Patch
References () https://git.kernel.org/stable/c/9abdf0c0184230f0cb5c6685aabf33dda89aa9fb - () https://git.kernel.org/stable/c/9abdf0c0184230f0cb5c6685aabf33dda89aa9fb - Patch

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-17 16:09

NVD link : CVE-2022-49468

Mitre link : CVE-2022-49468

CVE.ORG link : CVE-2022-49468

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime