CVE-2022-47941

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-47941
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://www.openwall.com/lists/oss-security/2022/12/23/10 Mailing List Third Party 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=aa7253c2393f6dcd6a1468b0792f6da76edad917 Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 Patch Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1687/ Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2022/12/23/10 Mailing List Third Party 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=aa7253c2393f6dcd6a1468b0792f6da76edad917 Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 Patch Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1687/ Third Party Advisory VDB Entry
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

21 Nov 2024, 07:32

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2022/12/23/10 - Mailing List, Third Party Advisory () http://www.openwall.com/lists/oss-security/2022/12/23/10 - Mailing List, Third Party Advisory
References () https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 - Mailing List, Patch, Vendor Advisory () https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 - Mailing List, Patch, Vendor Advisory
References () https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917 - Mailing List, Patch, Vendor Advisory () https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917 - Mailing List, Patch, Vendor Advisory
References () https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 - Patch, Third Party Advisory () https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 - Patch, Third Party Advisory
References () https://www.zerodayinitiative.com/advisories/ZDI-22-1687/ - Third Party Advisory, VDB Entry () https://www.zerodayinitiative.com/advisories/ZDI-22-1687/ - Third Party Advisory, VDB Entry

16 May 2023, 11:03

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-401
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References
  • (MISC) https://www.zerodayinitiative.com/advisories/ZDI-22-1687/ - Third Party Advisory, VDB Entry
References (MISC) https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917 - (MISC) https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917 - Mailing List, Patch, Vendor Advisory
References (MISC) https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 - (MISC) https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 - Mailing List, Patch, Vendor Advisory
References (MISC) https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 - (MISC) https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 - Patch, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2022/12/23/10 - (MLIST) http://www.openwall.com/lists/oss-security/2022/12/23/10 - Mailing List, Third Party Advisory

25 Dec 2022, 23:15

Type Values Removed Values Added
Summary An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak. An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

23 Dec 2022, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-12-23 16:15

Updated : 2025-04-15 14:15

NVD link : CVE-2022-47941

Mitre link : CVE-2022-47941

CVE.ORG link : CVE-2022-47941

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime