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CVE-2022-47941

Date: December 22, 2022

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.

Language: C

Severity Score

Related Resources (9)

http://www.openwall.com/lists/oss-security/2022/12/23/10
https://security-tracker.debian.org/tracker/CVE-2022-47941
https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917
https://www.zerodayinitiative.com/advisories/ZDI-22-1687/
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-47941
https://nvd.nist.gov/vuln/detail/CVE-2022-47941
https://www.mend.io/vulnerability-database/CVE-2022-47941

Severity Score

Weakness Type (CWE)

Missing Release of Memory after Effective Lifetime

CWE-401

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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