CVE-2022-49429

Medium

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent panic when SDMA is disabled If the hfi1 module is loaded with HFI1_CAP_SDMA off, a call to hfi1_write_iter() will dereference a NULL pointer and panic. A typical stack frame is: sdma_select_user_engine [hfi1] hfi1_user_sdma_process_request [hfi1] hfi1_write_iter [hfi1] do_iter_readv_writev do_iter_write vfs_writev do_writev do_syscall_64 The fix is to test for SDMA in hfi1_write_iter() and fail the I/O with EINVAL.

SeverityMedium
CVSS5.5
Exploit probability19. percentile0.3%
ProductLinux Kernel
PublishedFeb 26, 2025
First seenFeb 26, 2025

How to fix

Update
  • linux linux_kernel4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 4.14.283, 4.15 ≤ v < 4.19.247, 4.20 ≤ v < 5.4.198, 5.5 ≤ v < 5.10.121, 5.11 ≤ v < 5.15.46, 5.16 ≤ v < 5.17.14, 5.18 ≤ v < 5.18.34.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3

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CVE-2022-49429 · Linux Kernel · Dark Radar