Published: 23/12/2022 Updated: 16/05/2023

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 0

An issue exists in ksmbd in the Linux kernel 5.15 up to and including 5.19 prior to 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.

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DescriptionThe MITRE CVE dictionary describes this issue as: An issue was discovered in ksmbd in the Linux kernel 515 through 519 before 5192 fs/ksmbd/smb2pduc omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak ...

memory leak in smb2_handle_negotiate() under error conditions ...

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CWE-401 https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 http://www.openwall.com/lists/oss-security/2022/12/23/10 https://www.zerodayinitiative.com/advisories/ZDI-22-1687/https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2022-47941 https://support.broadcom.com/external/content/SecurityAdvisories/0/21772

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CVE-2022-47941

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