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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.6%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
References
- 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=c3e2219216c92919a6bd1711f340f5faa98695e6
- https://security.netapp.com/advisory/ntap-20210629-0006/
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_free_rqs
- https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213
- 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=c3e2219216c92919a6bd1711f340f5faa98695e6
- https://security.netapp.com/advisory/ntap-20210629-0006/
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-blk_mq_free_rqs
- https://syzkaller.appspot.com/bug?id=36fe241584203cf394d44560a42e3430434f1213
Products affected by CVE-2019-25044
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cpe:2.3:a:netapp:cloud_backup:-
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cpe:2.3:a:netapp:solidfire_&_hci_management_node:-
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cpe:2.3:h:netapp:h300e:-
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cpe:2.3:h:netapp:h300s:-
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cpe:2.3:h:netapp:h410c:-
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cpe:2.3:h:netapp:h410s:-
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cpe:2.3:h:netapp:h500e:-
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cpe:2.3:h:netapp:h500s:-
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cpe:2.3:h:netapp:h700e:-
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cpe:2.3:h:netapp:h700s:-
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cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-
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cpe:2.3:o:linux:linux_kernel:5.2
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cpe:2.3:o:netapp:h300e_firmware:-
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cpe:2.3:o:netapp:h300s_firmware:-
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cpe:2.3:o:netapp:h410c_firmware:-
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cpe:2.3:o:netapp:h410s_firmware:-
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cpe:2.3:o:netapp:h500e_firmware:-
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cpe:2.3:o:netapp:h500s_firmware:-
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cpe:2.3:o:netapp:h700e_firmware:-
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cpe:2.3:o:netapp:h700s_firmware:-
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cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-