CVE-2023-54162
ksmbd: fix possible memory leak in smb2_lock()
HIGH
8.8
CVSS Score
Published: December 30, 2025 at 12:03 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix possible memory leak in smb2_lock() argv needs to be free when setup_async_work fails or when the current process is woken up.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.15 ≤ v < 5.15.1455.15 ≤ v < 6.1.165.15 ≤ v < 6.2.35.15 ≤ v < 6.35.15e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9
Vendor states this is fixed in 11d38f8a0c19763e34d2093b5ecb640e012cb2d2 (fixed)
Vendor states this is fixed in 6bf555ed8938444466c3d7f3252eb874a518f293 (fixed)
Vendor states this is fixed in bfe8372ef2dbdce97f13b21d76e2080ddeef5a79 (fixed)
Vendor states this is fixed in d3ca9f7aeba793d74361d88a8800b2f205c9236b (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.145 (unaffected)
Vendor states this is fixed in 6.1.16 (unaffected)
Vendor states this is fixed in 6.2.3 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/11d38f8a0c19763e34d2093b5ecb640e012cb2d2Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6bf555ed8938444466c3d7f3252eb874a518f293Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bfe8372ef2dbdce97f13b21d76e2080ddeef5a79Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d3ca9f7aeba793d74361d88a8800b2f205c9236bCVSS
8.8HIGHLinux
Vector?
Quick Info
StatusDEFERRED
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