CVE-2023-53852 in Linux
Resumen
por VulDB • 2026-05-24
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad:
nvme-core: corrige una fuga de memoria en dhchap_secret_store
Libera dhchap_secret en nvme_ctrl_dhchap_secret_store() antes de devolver el control, corrigiendo el siguiente kmemleak:
objeto no referenciado 0xffff8886376ea800 (tamaño 64): comm "check", pid 22048, jiffies 4344316705 (antigüedad 92.199s) volcado hexadecimal (primeros 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg 75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL backtrace: [<0000000030ce5d4b>] __kmalloc+0x4b/0x130
[<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]
[<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0
[<00000000437e7ced>] vfs_write+0x2ba/0x3c0
[<00000000f9491baf>] ksys_write+0x5f/0xe0
[<000000001c46513d>] do_syscall_64+0x3b/0x90
[<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc
objeto no referenciado 0xffff8886376eaf00 (tamaño 64): comm "check", pid 22048, jiffies 4344316736 (antigüedad 92.168s) volcado hexadecimal (primeros 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67 DHHC-1:00:nxr5Kg 75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c uX4uoAxsJa4c/huL backtrace: [<0000000030ce5d4b>] __kmalloc+0x4b/0x130
[<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]
[<00000000ac06c96a>] kernfs_fop_write_iter+0k
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