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CVE-2024-57807: scsi: megaraid_sas: Fix for a potential deadlock

Description

In the Linux kernel, the following vulnerability has been resolved:

scsi: megaraid_sas: Fix for a potential deadlock

This fixes a 'possible circular locking dependency detected' warning
CPU0 CPU1
---- ----
lock(&instance->reset_mutex);
lock(&shost->scan_mutex);
lock(&instance->reset_mutex);
lock(&shost->scan_mutex);

Fix this by temporarily releasing the reset_mutex.

Classification

CVE ID: CVE-2024-57807

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 5.05% (scored less or equal to compared to others)

EPSS Date: 2025-02-09 (when was this score calculated)

References

https://git.kernel.org/stable/c/78afb9bfad00c4aa58a424111d7edbcab9452f2b
https://git.kernel.org/stable/c/f36d024bd15ed356a80dda3ddc46d0a62aa55815
https://git.kernel.org/stable/c/3c654998a3e8167a58b6c6fede545fe400a4b554
https://git.kernel.org/stable/c/edadc693bfcc0f1ea08b8fa041c9361fd042410d
https://git.kernel.org/stable/c/f50783148ec98a1d38b87422e2ceaf2380b7b606
https://git.kernel.org/stable/c/466ca39dbf5d0ba71c16b15c27478a9c7d4022a8
https://git.kernel.org/stable/c/50740f4dc78b41dec7c8e39772619d5ba841ddd7

Timeline