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CVE-2018-25015

Good to know:

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Date: June 7, 2021

An issue was discovered in the Linux kernel before 4.14.16. There is a use-after-free in net/sctp/socket.c for a held lock after a peel off, aka CID-a0ff660058b8.

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2018-25015
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.16
https://syzkaller.appspot.com/bug?id=a8d38d1b68ffc744c53bd9b9fc1dbd6c86b1afe2
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0ff660058b88d12625a783ce9e5c1371c87951f
https://security.netapp.com/advisory/ntap-20210720-0002/
https://sites.google.com/view/syzscope/warning-held-lock-freed
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-25015
https://www.mend.io/vulnerability-database/CVE-2018-25015

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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