CVE-2023-53251

wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()

State
Published
Severity
5.5 Medium
Published
Sep 15, 2025
Updated
May 11, 2026
Reserved
Sep 15, 2025

Read the record on cve.org

Description

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

wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()

rxq can be NULL only when trans_pcie->rxq is NULL and entry->entry is zero. For the case when entry->entry is not equal to 0, rxq won't be NULL even if trans_pcie->rxq is NULL. Modify checker to check for trans_pcie->rxq.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

Affected Products

ProductVersions
LinuxLinux
  • abc599efa67bb4138536360e07d677052b19e392 to before 3b9de981fe7f1c6e07c7b852421ad69be3d4b6c2Affected
  • abc599efa67bb4138536360e07d677052b19e392 to before 2d690495eb2766d58e25c83676f422219c4fcf18Affected
  • abc599efa67bb4138536360e07d677052b19e392 to before 390e44efcf4d390b5053ad112553155d2d097c73Affected
  • abc599efa67bb4138536360e07d677052b19e392 to before f71d0fc407dd028416bec002ddcc62f5acb0346aAffected
  • abc599efa67bb4138536360e07d677052b19e392 to before 1902f1953b8ba100ee8705cb8a6f1a9795550ecaAffected
LinuxLinux
  • 5.12Affected
  • before 5.12Not affected
  • 5.15.121 through 5.15.*Not affected
  • 6.1.39 through 6.1.*Not affected
  • 6.3.13 through 6.3.*Not affected
  • 6.4.4 through 6.4.*Not affected
  • 6.5 and laterNot affected

References

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