CVE-2023-54162
published 2025-12-30CVE-2023-54162: 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…
PriorityP345high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
0.39%
31.6th percentile
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
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.20-1 (bookworm) | linux 6.1.20-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < bfe8372ef2dbdce97f13b21d76e2080ddeef5a79 | bfe8372ef2dbdce97f13b21d76e2080ddeef5a79 |
| linux | linux | >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 6bf555ed8938444466c3d7f3252eb874a518f293 | 6bf555ed8938444466c3d7f3252eb874a518f293 |
| linux | linux | >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 11d38f8a0c19763e34d2093b5ecb640e012cb2d2 | 11d38f8a0c19763e34d2093b5ecb640e012cb2d2 |
| linux | linux | >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < d3ca9f7aeba793d74361d88a8800b2f205c9236b | d3ca9f7aeba793d74361d88a8800b2f205c9236b |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 5.15.0 < 5.15.145 | 5.15.145 |
| linux | linux_kernel | >= 5.16.0 < 6.1.16 | 6.1.16 |
| linux | linux_kernel | >= 6.2.0 < 6.2.3 | 6.2.3 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-gpc8-vf5r-8fj8: 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_
ghsa_unreviewed·2025-12-30
CVE-2023-54162 GHSA-gpc8-vf5r-8fj8: 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_
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.
OSV
CVE-2023-54162: 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_as
osv·2025-12-30
CVE-2023-54162 CVE-2023-54162: 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_as
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.
OSV
ksmbd: fix possible memory leak in smb2_lock()
osv·2025-12-30
CVE-2023-54162 ksmbd: fix possible memory leak in smb2_lock()
ksmbd: fix possible memory leak in smb2_lock()
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.
Red Hat
kernel: ksmbd: fix possible memory leak in smb2_lock()
vendor_redhat·2025-12-30
CVE-2023-54162 kernel: ksmbd: fix possible memory leak in smb2_lock()
kernel: ksmbd: fix possible memory leak in smb2_lock()
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.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel (Red Hat Enterprise Linux 9) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 9) - Not affected
Debian
CVE-2023-54162: linux - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix ...
vendor_debian·2023
CVE-2023-54162 CVE-2023-54162: linux - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix ...
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.
Scope: local
bookworm: resolved (fixed in 6.1.20-1)
bullseye: resolved
forky: resolved (fixed in 6.1.20-1)
sid: resolved (fixed in 6.1.20-1)
trixie: resolved (fixed in 6.1.20-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2023-54162 kernel: ksmbd: fix possible memory leak in smb2_lock()
bugzilla·2025-12-30
CVE-2023-54162 CVE-2023-54162 kernel: ksmbd: fix possible memory leak in smb2_lock()
CVE-2023-54162 kernel: ksmbd: fix possible memory leak in smb2_lock()
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.
Discussion:
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123029-CVE-2023-54162-4725@gregkh/T
Wiz
CVE-2023-54162 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.3
CVE-2023-54162 [MEDIUM] CVE-2023-54162 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2023-54162 :
Linux Debian vulnerability analysis and mitigation
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.
Source : NVD
Published December 30, 2025
CNA Score N/A
Affected Technologies
Linux Debian
Linux Ubuntu
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 7.4
Exploitation Probability (EPSS) N/A
Affected packages and libraries
linux-xilinx-zynqmp
linux-azure-fips
Sources
NVD
Debian 12, 13, 14 Has Fix Added at: Dec 31, 2025
Echo Has Fix Added at: Dec 31, 2025
Ubuntu 16.04, 18.04 Severity MEDIUM No Fix Added at:
2025-12-30
Published