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CVE
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CVE-2019-19768Date: (C)2019-12-13   (M)2024-03-26


In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
DSA-4698
USN-4342-1
USN-4344-1
USN-4345-1
USN-4346-1
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://bugzilla.kernel.org/show_bug.cgi?id=205711
https://security.netapp.com/advisory/ntap-20200103-0001/
openSUSE-SU-2020:0388

CWE    1
CWE-416
OVAL    33
oval:org.secpod.oval:def:2003623
oval:org.secpod.oval:def:89050394
oval:org.secpod.oval:def:1502892
oval:org.secpod.oval:def:1502891
...

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