CVE-2022-48667: smb3: fix temporary data corruption in insert range

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-28 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: smb3: fix temporary data corruption in insert range insert range doesn't discard the affected cached region so can risk temporarily corrupting file data. Also includes some minor cleanup (avoiding rereading inode size repeatedly unnecessarily) to make it clearer.

Affected products

Linux kernel: from 5.13 before 5.19.12; 6.0-rc1, 6.0-rc2, 6.0-rc3 — fixed in 5.19.12

How to fix

Upgrade to a fixed version: Linux kernel 5.19.12. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/0cdde8460c304283d4ebe3f767a70215d1ab9d4e
https://git.kernel.org/stable/c/9c8b7a293f50253e694f19161c045817a938e551
https://git.kernel.org/stable/c/0cdde8460c304283d4ebe3f767a70215d1ab9d4e
https://git.kernel.org/stable/c/9c8b7a293f50253e694f19161c045817a938e551

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