CVE-2022-47943
HIGHLinux Kernel 5.15-5.19 < 5.19.2 - Out-of-bounds Read in ksmbd SMB2_WRITE Handling
Title source: llmDescription
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.
References (6)
Core 6
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/23/10
Mailing List, Patch, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09
Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230216-0006/
Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-1691/
Scores
CVSS v3
8.1
EPSS
0.0350
EPSS Percentile
87.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-125
Status
published
Products (1)
linux/linux_kernel
5.15 - 5.15.62
Published
Dec 23, 2022
Tracked Since
Feb 18, 2026