CVE-2022-47942

Published on: Not Yet Published

Last Modified on: 01/23/2023 06:54:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Certain versions of Linux Kernel from Linux contain the following vulnerability:

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.

  • CVE-2022-47942 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVE References

Description Tags Link
ksmbd: fix heap-based overflow in set_ntacl_dacl() · torvalds/[email protected] · GitHub github.com
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URL Logo MISC github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7
oss-security - Re: Details on this supposed Linux Kernel ksmbd RCE www.openwall.com
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URL Logo MLIST [oss-security] 20221223 Re: Details on this supposed Linux Kernel ksmbd RCE
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
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URL Logo MISC git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7
cdn.kernel.org
text/plain
URL Logo MISC cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
ZDI-22-1688 | Zero Day Initiative www.zerodayinitiative.com
text/html
URL Logo MISC www.zerodayinitiative.com/advisories/ZDI-22-1688/

Related QID Numbers

  • 904769 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (12097)
  • 905015 Common Base Linux Mariner (CBL-Mariner) Security Update for livepatch-5.15.48.1-4.cm2 (12523)
  • 906389 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (12097-2)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2022-47942 : An issue was discovered in ksmbd in the #Linux #kernel before 5.19.2. There is a heap-based buffer… twitter.com/i/web/status/1… 2022-12-23 16:08:29
Twitter Icon @Robo_Alerts Potentially Critical CVE Detected! CVE-2022-47942 An issue was discovered in ksmbd in the Linux kernel before 5.19.… twitter.com/i/web/status/1… 2022-12-23 16:56:00
Reddit Logo Icon /r/netcve CVE-2022-47942 2022-12-23 17:39:33
© CVE.report 2023 Twitter Nitter Twitter Viewer |

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