CVE-2024-58063
wifi: rtlwifi: fix memory leaks and invalid access at probe error path
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Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: fix memory leaks and invalid access at probe error path Deinitialize at reverse order when probe fails. When init_sw_vars fails, rtl_deinit_core should not be called, specially now that it destroys the rtl_wq workqueue. And call rtl_pci_deinit and deinit_sw_vars, otherwise, memory will be leaked. Remove pci_set_drvdata call as it will already be cleaned up by the core driver code and could lead to memory leaks too. cf. commit 8d450935ae7f ("wireless: rtlwifi: remove unnecessary pci_set_drvdata()") and commit 3d86b93064c7 ("rtlwifi: Fix PCI probe error path orphaned memory").
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/32acebca0a51f5e372536bfdc0d7d332ab749013
- https://git.kernel.org/stable/c/455e0f40b5352186a9095f2135d5c89255e7c39a
- https://git.kernel.org/stable/c/624cea89a0865a2bc3e00182a6b0f954a94328b4
- https://git.kernel.org/stable/c/6b76bab5c257463302c9e97f5d84d524457468eb
- https://git.kernel.org/stable/c/85b67b4c4a0f8a6fb20cf4ef7684ff2b0cf559df
References (12)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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