[Forgot Password]
Login  Register Subscribe

30481

 
 

423868

 
 

255116

 
 

909

 
 

198683

 
 

282

Paid content will be excluded from the download.


Download | Alert*
CVE
view JSON

CVE-2021-20257Date: (C)2021-06-02   (M)2024-05-24


An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.5CVSS Score : 2.1
Exploit Score: 2.0Exploit Score: 3.9
Impact Score: 4.0Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: CHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
GLSA-202208-27
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
https://bugzilla.redhat.com/show_bug.cgi?id=1930087
https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html
https://security.netapp.com/advisory/ntap-20220425-0003/
https://www.openwall.com/lists/oss-security/2021/02/25/2

CWE    1
CWE-835
OVAL    34
oval:org.secpod.oval:def:89044339
oval:org.secpod.oval:def:1505454
oval:org.secpod.oval:def:1505552
oval:org.secpod.oval:def:506637
...

© SecPod Technologies