High severity · published Jul 2, 2021
CVE-2021-36145
The Device Model in ACRN through 2.5 has a devicemodel/core/mem.c use-after-free for a freed rb_entry
7.5
CVSS
1%
EPSS
No
On KEV
Description
The Device Model in ACRN through 2.5 has a devicemodel/core/mem.c use-after-free for a freed rb_entry.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Acrn · Linux
through 2.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36145
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36145
Patch
https://github.com/projectacrn/acrn-hypervisor/pull/6058/commits/f880086ffe5423e67d968c8f8f665954786582ce
More from Acrn
7.8
CVE-2021-36148
An issue was discovered in ACRN before 2.5
7.5
CVE-2021-36147
An issue was discovered in ACRN before 2.5
7.5
CVE-2021-36146
ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer
7.5
CVE-2021-36144
The polling timer handler in ACRN before 2.5 has a use-after-free for a freed virtio device, related to devicemodel/hw/pci/virtio/*.c
7.5
CVE-2021-36143
ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference