CVE-2026-93071: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: media: bcm2835-unicam: Fix asc leaked in error/remove path v4l2_async_nf_add_fwnode_remote() allocates the asc, which is freed when v4l2_async_nf_cleanup() is called. Call v4l2_async_nf_cleanup() properly in the driver paths. Discovered with kmemleak after rmmod: unreferenced object 0xffff000084526b80 (size 64): comm "modprobe", pid 185, jiffies 4295013512 hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e8 0d ff bf 00 00 ff ff ................ 40 83 bc 84 00 00 ff ff 60 83 bc 84 00 00 ff ff @.......`....... backtrace (crc ac584083): [<00000000ffb081a7>] kmemleak_alloc+0x38/0x44 [<00000000d2fd9301>] __kmalloc+0x1b0/0x250 [<000000004dd5354d>] __v4l2_async_nf_add_fwnode+0x28/0x9c [<0000000067587657>] __v4l2_async_nf_add_fwnode_remote+0x3c/0x64

Засегнати продукти

• Linux Linux: 392cd78d495f36c201eb5cc425b01017d493e094 преди 5479372db364c80bb6bd59f640f5c31de3984bab; 392cd78d495f36c201eb5cc425b01017d493e094 преди 2c29cd408ef86e695acb2a5d4e00fa2f5695368d; 392cd78d495f36c201eb5cc425b01017d493e094 преди de9be39cefda1ecd762e6a913665c01f7bb18100; 392cd78d495f36c201eb5cc425b01017d493e094 преди 253c9659e25131b0169f718e7d094ac1aa0d9279
• Linux Linux: 6.10; преди 6.10; 6.12.110 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; от 7.3 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-93071
• https://nvd.nist.gov/vuln/detail/CVE-2026-93071
• https://git.kernel.org/stable/c/5479372db364c80bb6bd59f640f5c31de3984bab
• https://git.kernel.org/stable/c/2c29cd408ef86e695acb2a5d4e00fa2f5695368d
• https://git.kernel.org/stable/c/de9be39cefda1ecd762e6a913665c01f7bb18100
• https://git.kernel.org/stable/c/253c9659e25131b0169f718e7d094ac1aa0d9279