wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80948
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:00 UTC
Updated2026-09-13 07:17:02 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: dvm: fix memory leak in iwl_op_mode_dvm_start() In iwl_op_mode_dvm_start(), jumping to out_free_eeprom currently bypasses the out_free_eeprom_blob label. Consequently, error paths triggered after successfully parsing the EEPROM free priv->nvm_data but leak priv->eeprom_blob. Fix this memory leak by reordering the error handling labels so that out_free_eeprom falls through to out_free_eeprom_blob. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1-rc6. An x86_64 allyesconfig build showed no new warnings. As we do not have supported Intel DVM wireless hardware and firmware to test with, no runtime testing was able to be performed.

Risk And Classification

EPSS: 0.002100000 probability, percentile 0.112580000 (date 2026-09-13)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 26a7ca9a71a3f7e1826de96b1a1e907123e11b07 84ba017a1e1ea7896ed1e3258c947bdbfc5299c5 git Not specified
CNA Linux Linux affected 26a7ca9a71a3f7e1826de96b1a1e907123e11b07 ad2a9fdca4a7100472be82ee6048c616fc589720 git Not specified
CNA Linux Linux affected 26a7ca9a71a3f7e1826de96b1a1e907123e11b07 67105abd6195a685a84dcb8a5daf54a1f4bfdb60 git Not specified
CNA Linux Linux affected 3.6 Not specified
CNA Linux Linux unaffected 3.6 semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/67105abd6195a685a84dcb8a5daf54a1f4bfdb60 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/84ba017a1e1ea7896ed1e3258c947bdbfc5299c5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ad2a9fdca4a7100472be82ee6048c616fc589720 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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