CVE-2023-4515
published 2025-08-16CVE-2023-4515: In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command…
PriorityP424medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.29%
21.5th percentile
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate command request size
In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except
for SMB2_OPLOCK_BREAK_HE command, the request size of other commands
is not checked, it's not expected. Fix it by add check for request
size of other commands.
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d < ff7236b66d69582f90cf5616e63cfc3dc18142bb | ff7236b66d69582f90cf5616e63cfc3dc18142bb |
| linux | linux | >= 2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d < 5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c | 5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c |
| linux | linux | >= 35f450f54dca1519bb24faacd0428db09f89a11f < 595679098bdcdbfbba91ebe07a2f7f208df93870 | 595679098bdcdbfbba91ebe07a2f7f208df93870 |
| linux | linux | >= 5.15.121 < 5.15.127 | 5.15.127 |
| linux | linux | >= 6.1.36 < 6.1.46 | 6.1.46 |
| linux | linux | >= 6.3.10 < 6.4 | 6.4 |
| linux | linux | >= 9650cf70ec9d94ff34daa088b643229231723c26 < c6bef3bc30fd4a175aef846b7d928a6c40d091cd | c6bef3bc30fd4a175aef846b7d928a6c40d091cd |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.1.52-1 | 6.1.52-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 0 < 6.4.11-1 | 6.4.11-1 |
| linux | linux_kernel | >= 5.15.121 < 5.15.127 | 5.15.127 |
| linux | linux_kernel | >= 6.1.36 < 6.1.46 | 6.1.46 |
| linux | linux_kernel | >= 6.3.10 < 6.4 | 6.4 |
| linux | linux_kernel | >= 6.4.1 < 6.4.11 | 6.4.11 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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GHSA
GHSA-j2x9-qg6q-8wg7: In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate command request size
In commit 2b9b8f3b68ed ("ksmbd: validate co
ghsa_unreviewed·2025-08-16
CVE-2023-4515 [MEDIUM] GHSA-j2x9-qg6q-8wg7: In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate command request size
In commit 2b9b8f3b68ed ("ksmbd: validate co
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate command request size
In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except
for SMB2_OPLOCK_BREAK_HE command, the request size of other commands
is not checked, it's not expected. Fix it by add check for request
size of other commands.
OSV
CVE-2023-4515: In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate comm
osv·2025-08-16·CVSS 5.5
CVE-2023-4515 [MEDIUM] CVE-2023-4515: In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate comm
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.
Red Hat
kernel: ksmbd: validate command request size
vendor_redhat·2025-08-16·CVSS 5.5
CVE-2023-4515 [MEDIUM] kernel: ksmbd: validate command request size
kernel: ksmbd: validate command request size
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: validate command request size
In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except
for SMB2_OPLOCK_BREAK_HE command, the request size of other commands
is not checked, it's not expected. Fix it by add check for request
size of other commands.
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
Debian
CVE-2023-4515: linux - In the Linux kernel, the following vulnerability has been resolved: ksmbd: vali...
vendor_debian·2023·CVSS 5.5
CVE-2023-4515 [MEDIUM] CVE-2023-4515: linux - In the Linux kernel, the following vulnerability has been resolved: ksmbd: vali...
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.
Scope: local
bookworm: resolved (fixed in 6.1.52-1)
bullseye: resolved
forky: resolved (fixed in 6.4.11-1)
sid: resolved (fixed in 6.4.11-1)
trixie: resolved (fixed in 6.4.11-1)
No detection rules found.
No public exploits indexed.
2025-08-16
Published