CVE-2022-47942

High

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.

SeverityHigh
CVSS8.8
Exploit probability—
ProductLinux Kernel
PublishedDec 23, 2022
First seenDec 23, 2022

How to fix

Update
  • linux linux_kernel5.15.62, 5.18.18, 5.19.2 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel5.15 ≤ v < 5.15.62, 5.16 ≤ v < 5.18.18, 5.19 ≤ v < 5.19.25.15.62, 5.18.18, 5.19.2

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