cbcvebase.
CVE-2025-21963
published 2025-04-01

CVE-2025-21963: In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount…

PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.18%
7.7th percentile
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Affected

24 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.133-1 (bookworm)linux 6.1.133-1 (bookworm)
debianlinux-6.1< linux 6.1.133-1 (bookworm)linux 6.1.133-1 (bookworm)
linuxlinux
linuxlinux>= 4c9f948142a550af416a2bfb5e56d29ce29e92cf < 0c26edf477e093cefc41637f5bccc102e1a773990c26edf477e093cefc41637f5bccc102e1a77399
linuxlinux>= 4c9f948142a550af416a2bfb5e56d29ce29e92cf < 39d086bb3558da9640ef335f97453e01d32578a139d086bb3558da9640ef335f97453e01d32578a1
linuxlinux>= 4c9f948142a550af416a2bfb5e56d29ce29e92cf < 9e438d0410a4002d24f420f2c28897ba2dc0af649e438d0410a4002d24f420f2c28897ba2dc0af64
linuxlinux>= 4c9f948142a550af416a2bfb5e56d29ce29e92cf < 2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c
linuxlinux>= 4c9f948142a550af416a2bfb5e56d29ce29e92cf < 6124cbf73e3dea7591857dd63b8ccece28952afd6124cbf73e3dea7591857dd63b8ccece28952afd
linuxlinux>= 4c9f948142a550af416a2bfb5e56d29ce29e92cf < 5b29891f91dfb8758baf1e2217bef4b16b2b165b5b29891f91dfb8758baf1e2217bef4b16b2b165b
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.1.133-16.1.133-1
linuxlinux_kernel>= 0 < 6.12.20-16.12.20-1
linuxlinux_kernel>= 0 < 6.12.20-16.12.20-1
linuxlinux_kernel>= 0 < 5.15.0-142.1525.15.0-142.152
linuxlinux_kernel>= 0 < 6.8.0-84.846.8.0-84.84
linuxlinux_kernel>= 5.12 < 5.15.1805.15.180
linuxlinux_kernel>= 5.16 < 6.1.1326.1.132
linuxlinux_kernel>= 6.13 < 6.13.86.13.8
linuxlinux_kernel>= 6.2 < 6.6.846.6.84
linuxlinux_kernel>= 6.7 < 6.12.206.12.20
msrcazl3_kernel_6.6.82.1-1_on_azure_linux_3.0
msrcazl3_kernel_6.6.85.1-2_on_azure_linux_3.0
msrccbl2_kernel_5.15.176.3-3_on_cbl_mariner_2.0
msrccbl2_kernel_5.15.180.1-1_on_cbl_mariner_2.0

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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