Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: scm: Mark get_wq_ctx() as atomic call Currently get_wq_ctx() is wrongly configured as a standard call. When two SMC calls are in sleep and one SMC wakes up, it calls get_wq_ctx() to resume the corresponding sleeping thread. But if get_wq_ctx() is interrupted, goes to sleep and another SMC call is waiting to be allocated a waitq context, it leads to a deadlock. To avoid this get_wq_ctx() must be an atomic call and can't be a standard SMC call. Hence mark get_wq_ctx() as a fast call.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 6bf32599223634294cdc6efb359ffaab1d68073c before cdf7efe4b02aa93813db0bf1ca596ad298ab6b06; affected 6bf32599223634294cdc6efb359ffaab1d68073c before e40115c33c0d79c940545b6b12112aace7acd9f5; affected 6bf32599223634294cdc6efb359ffaab1d68073c before 9960085a3a82c58d3323c1c20b991db6045063b0 |
| Linux / Linux | affected 6.3; unaffected 0 before 6.3; unaffected 6.6.49 through 6.6.*; unaffected 6.10.8 through 6.10.*; unaffected 6.11 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/cdf7efe4b02aa93813db0bf1ca596ad298ab6b06
- https://git.kernel.org/stable/c/e40115c33c0d79c940545b6b12112aace7acd9f5
- https://git.kernel.org/stable/c/9960085a3a82c58d3323c1c20b991db6045063b0
ADP enrichment
No English description supplied.
No references supplied.