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gsd-2024-26974
Vulnerability from gsd
Modified
2024-02-20 06:02
Details
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Aliases
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CVE-2024-26974 (GCVE-0-2024-26974)
Vulnerability from cvelistv5
Published
2024-05-01 05:20
Modified
2025-05-04 09:01
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
crypto: qat - resolve race condition during AER recovery
During the PCI AER system's error recovery process, the kernel driver
may encounter a race condition with freeing the reset_data structure's
memory. If the device restart will take more than 10 seconds the function
scheduling that restart will exit due to a timeout, and the reset_data
structure will be freed. However, this data structure is used for
completion notification after the restart is completed, which leads
to a UAF bug.
This results in a KFENCE bug notice.
BUG: KFENCE: use-after-free read in adf_device_reset_worker+0x38/0xa0 [intel_qat]
Use-after-free read at 0x00000000bc56fddf (in kfence-#142):
adf_device_reset_worker+0x38/0xa0 [intel_qat]
process_one_work+0x173/0x340
To resolve this race condition, the memory associated to the container
of the work_struct is freed on the worker if the timeout expired,
otherwise on the function that schedules the worker.
The timeout detection can be done by checking if the caller is
still waiting for completion or not by using completion_done() function.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ► | Linux | Linux |
Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d Version: d8cba25d2c68992a6e7c1d329b690a9ebe01167d |
|
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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