PT-2022-7637 · Linux+4 · Linux Kernel+4
Published
2022-11-28
·
Updated
2025-09-29
·
CVE-2022-48891
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to the regulator component da9211 in the Linux kernel. If the system does not come from reset, like when it is kexec(), the regulator might have an IRQ waiting. Enabling the IRQ handler before its structures are ready can cause a crash. The patch fixes a kernel read from unreadable memory and a call trace issue. The
da9211 irq handler function is involved in the crash. There is no information about the estimated number of potentially affected devices or real-world incidents.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Locking
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Linux Kernel
Red Os
Suse