Executive Summary

Informations
Name CVE-2019-25044 First vendor Publication 2021-05-14
Vendor Cve Last vendor Modification 2021-06-29

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in the kernel context and privilege escalation, aka CID-c3e2219216c9. This is related to blk_mq_free_rqs and blk_cleanup_queue.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25044

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3316

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210629-0006/
MISC https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_fr...
https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213

Alert History

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Date Informations
2021-06-30 00:22:53
  • Multiple Updates
2021-06-29 17:22:58
  • Multiple Updates
2021-06-03 01:32:04
  • Multiple Updates
2021-05-25 09:22:51
  • Multiple Updates
2021-05-21 21:23:09
  • Multiple Updates
2021-05-18 05:22:47
  • Multiple Updates
2021-05-15 05:22:48
  • First insertion