GHSA-f6c4-25w9-79f8

GHSA-f6c4-25w9-79f8 PUBLISHED CVSS 5.5 MEDIUM

Record from GitHub Advisory Database · Published August 16, 2025

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix memory leak of struct clip_vcc. ioctl(ATMARP_MKIP) allocates struct clip_vcc and set it to vcc->user_back. The code assumes that vcc_destroy_socket() passes NULL skb to vcc->push() when the socket is close()d, and then clip_push() frees clip_vcc. However, ioctl(ATMARPD_CTRL) sets NULL to vcc->push() in atm_init_atmarp(), resulting in memory leak. Let's serialise two ioctl() by lock_sock() and check vcc->push() in atm_init_atmarp() to prevent memleak.

Risk scores

CVSS 3.1

5.5

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

Timeline

Aug 16, 2025 CVE Published
May 1, 2026 Security Advisory

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vulnetix vdb vuln GHSA-f6c4-25w9-79f8
vulnetix vdb fixes GHSA-f6c4-25w9-79f8

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