CVE-2022-48824: scsi: myrs: Fix crash in error case

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-16 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: myrs: Fix crash in error case In myrs_detect(), cs->disable_intr is NULL when privdata->hw_init() fails with non-zero. In this case, myrs_cleanup(cs) will call a NULL ptr and crash the kernel. [ 1.105606] myrs 0000:00:03.0: Unknown Initialization Error 5A [ 1.105872] myrs 0000:00:03.0: Failed to initialize Controller [ 1.106082] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 1.110774] Call Trace: [ 1.110950] myrs_cleanup+0xe4/0x150 [myrs] [ 1.111135] myrs_probe.cold+0x91/0x56a [myrs] [ 1.111302] ? DAC960_GEM_intr_handler+0x1f0/0x1f0 [myrs] [ 1.111500] local_pci_probe+0x48/0x90

Affected products

Linux kernel: before 5.4.180; from 5.5 before 5.10.101; from 5.11 before 5.15.24; from 5.16 before 5.16.10 — fixed in 5.10.101, 5.15.24, 5.16.10, 5.4.180

How to fix

Upgrade to a fixed version: Linux kernel 5.10.101, 5.15.24, 5.16.10, 5.4.180. Check the vendor advisory for mitigations.

References

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