High severity · published Jun 7, 2021
CVE-2020-36385
An issue was discovered in the Linux kernel before 5.10
7.8
CVSS
1.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 5.10 · source: NVD
HF
H300e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H300s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410c Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H700e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H700s Firmware · Netapp
All versions, or not specified · source: NVD
SS
Starwind San & Nas · Starwindsoftware
v8r12 · source: NVD
SV
Starwind Virtual San · Starwindsoftware
v8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36385
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36385
Release Notes
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10
Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f5449e74802c1112dea984aec8af7a33c4516af1
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210720-0004/
Patch
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2
Patch
https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6
Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220802-0002/
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