CVE Vulnerability

CVE-2020-36385

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6 Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1 Patch Vendor Advisory
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2 Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10 Release Notes Vendor Advisory
https://security.netapp.com/advisory/ntap-20210720-0004/ Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220802-0002/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:starwindsoftware:starwind_san_&_nas:v8r12:*:*:*:*:*:*:*
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14338:*:*:*:*:*:*
Information

Published : 2021-06-07 12:15

Updated : 2022-10-25 04:42

NVD link : CVE-2020-36385

Mitre link : CVE-2020-36385

Products Affected
No products.
CWE
CWE-416