7.1

CVE-2025-21946

ksmbd: fix out-of-bounds in parse_sec_desc()

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix out-of-bounds in parse_sec_desc()

If osidoffset, gsidoffset and dacloffset could be greater than smb_ntsd
struct size. If it is smaller, It could cause slab-out-of-bounds.
And when validating sid, It need to check it included subauth array size.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.15 < 6.6.83
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.19
Linux ≫ Linux Kernel Version >= 6.13 < 6.13.7
Linux ≫ Linux Kernel Version6.14 Updaterc1
Linux ≫ Linux Kernel Version6.14 Updaterc2
Linux ≫ Linux Kernel Version6.14 Updaterc3
Linux ≫ Linux Kernel Version6.14 Updaterc4
Linux ≫ Linux Kernel Version6.14 Updaterc5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.092
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.1 1.8 5.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

https://git.kernel.org/stable/c/159d059cbcb0e6d0e7a7b34af3862ba09a6b22d1
Patch
https://git.kernel.org/stable/c/6a9831180d0b23b5c97e2bd841aefc8f82900172
Patch
https://git.kernel.org/stable/c/c1569dbbe2d43041be9f3fef7ca08bec3b66ad1b
Patch
https://git.kernel.org/stable/c/d6e13e19063db24f94b690159d0633aaf72a0f03
Patch
https://git.kernel.org/stable/c/f4ee19528664777af8b842f8f001be98345aa973