CVE-2025-40097
Last modified
CVE-2025-40097 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix missing pointer check in hda_component_manager_init function The __component_match_add function may assign the 'matchptr' pointer the value ERR_PTR(-ENOMEM), which will subsequently be dereferenced. The call stack leading to the error looks like this: hda_component_manager_init |-> component_match_add |-> component_match_add_release |-> __component_match_add ( ... ,**matchptr, ... EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix missing pointer check in hda_component_manager_init function The __component_match_add function may assign the 'matchptr' pointer the value ERR_PTR(-ENOMEM), which will subsequently be dereferenced. The call stack leading to the error looks like this: hda_component_manager_init |-> component_match_add |-> component_match_add_release |-> __component_match_add ( ... ,**matchptr, ... ) |-> *matchptr = ERR_PTR(-ENOMEM); // assign |-> component_master_add_with_match( ... match) |-> component_match_realloc(match, match->num); // dereference Add IS_ERR() check to prevent the crash. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Metrics
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b, < 218a8504e62fc2c8a1fd12523346b7a2b9bd2474; >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b, < 47d1b9ca923b55c3f407788f1f15b04957e0e027; >= ae7abe36e352eddf8e30d3b1ea3fb402514ba13b, < 1cf11d80db5df805b538c942269e05a65bcaf5bc |
| Linux | Linux | 5.17 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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