CVE - CVE-2021-46924

CVE-ID
CVE-2021-46924	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: NFC: st21nfca: Fix memory leak in device probe and remove 'phy->pending_skb' is alloced when device probe, but forgot to free in the error handling path and remove path, this cause memory leak as follows: unreferenced object 0xffff88800bc06800 (size 512): comm "8", pid 11775, jiffies 4295159829 (age 9.032s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000d66c09ce>] __kmalloc_node_track_caller+0x1ed/0x450 [<00000000c93382b3>] kmalloc_reserve+0x37/0xd0 [<000000005fea522c>] __alloc_skb+0x124/0x380 [<0000000019f29f9a>] st21nfca_hci_i2c_probe+0x170/0x8f2 Fix it by freeing 'pending_skb' in error 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/1b9dadba502234eea7244879b8d5d126bfaf9f0c URL:https://git.kernel.org/stable/c/1b9dadba502234eea7244879b8d5d126bfaf9f0c MISC:https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b URL:https://git.kernel.org/stable/c/1cd4063dbc91cf7965d73a6a3855e2028cd4613b MISC:https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe URL:https://git.kernel.org/stable/c/238920381b8925d070d32d73cd9ce52ab29896fe MISC:https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d URL:https://git.kernel.org/stable/c/38c3e320e7ff46f2dc67bc5045333e63d9f8918d MISC:https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349 URL:https://git.kernel.org/stable/c/a1e0080a35a16ce3808f7040fe0c3a8fdb052349 MISC:https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4 URL:https://git.kernel.org/stable/c/e553265ea56482da5700f56319fda9ff53e7dcb4
Assigning CNA
kernel.org
Date Record Created
20240225	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 (20240225)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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