CVE - CVE-2021-47499

CVE-ID
CVE-2021-47499	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove When ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the memory allocated by iio_triggered_buffer_setup() will not be freed, and cause memory leak as follows: unreferenced object 0xffff888009551400 (size 512): comm "i2c-SMO8500-125", pid 911, jiffies 4294911787 (age 83.852s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff ........ ....... backtrace: [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360 [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Fix it by remove data->dready_trig condition in probe and remove.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860c URL:https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860c MISC:https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307 URL:https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307 MISC:https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15 URL:https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15 MISC:https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215 URL:https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215 MISC:https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffb URL:https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffb MISC:https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc URL:https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc MISC:https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45 URL:https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45 MISC:https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320 URL:https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320
Assigning CNA
kernel.org
Date Record Created
20240522	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240522)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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