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Vulnerability Details : CVE-2019-25044

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.
Publish Date : 2021-05-14 Last Update Date : 2021-05-21
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 416

- Products Affected By CVE-2019-25044

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2019-25044

https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_free_rqs
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3e2219216c92919a6bd1711f340f5faa98695e6
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213

- Metasploit Modules Related To CVE-2019-25044

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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