CVE-2023-53852nvme-core: fix memory leak in dhchap_secret_store
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In the Linux kernel, the following vulnerability has been resolved: nvme-core: fix memory leak in dhchap_secret_store Free dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return fix following kmemleack:- 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+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
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
The CVE record on cve.org NVD's entry
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