CVE-2023-53852 in Linux
Zusammenfassung
von VulDB • 28.05.2026
Im Linux-Kernel wurde folgende Schwachstelle behoben:
nvme-core: Behebung eines Memory Leaks in dhchap_secret_store
Gib dhchap_secret in nvme_ctrl_dhchap_secret_store() frei, bevor die Funktion zurückkehrt, um den folgenden kmemleack zu beheben:
unreferenced object 0xffff8886376ea800 (size 64): comm "check", pid 22048, jiffies 4344316705 (age 92.199s) hex dump (first 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
unreferenced object 0xffff8886376eaf00 (size 64): comm "check", pid 22048, jiffies 4344316736 (age 92.168s) hex dump (first 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+0x10f/0x160 [nvme_core]
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