CVE-2022-47941

high

Description

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.

References

Advisories
More

https://www.zerodayinitiative.com/advisories/ZDI-22-1687/

https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917

http://www.openwall.com/lists/oss-security/2022/12/23/10

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

Details

Source: Mitre, NVD

Published: 2022-12-23

Updated: 2025-04-15

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H