CVE-2022-49260: crypto: hisilicon/sec - fix the aead software fallback for engine
In the Linux kernel, the following vulnerability has been resolved:
crypto: hisilicon/sec - fix the aead software fallback for engine
Due to the subreq pointer misuse the private context memory. The aead soft crypto occasionally casues the OS panic as setting the 64K page. Here is fix it.
Affected Software
Event History
Frequently Asked Questions
Which systems are most likely to be affected?
Systems using the HiSilicon SEC crypto engine with AEAD software fallback are the relevant exposure group. The available information does not establish that a default Linux kernel configuration is affected.
What symptom may indicate exposure?
The issue can cause an occasional operating-system panic when using a 64K page configuration.
What should be done if the affected functionality is in use?
Update to a kernel that includes the fix. The referenced stable commits are 40dba7c26e897c637e91312b35f664f1d4d0073c, ef7b10f3cac7810ddcfd976304fd125aca33d144, and 5c1149e2abe0b7489300736b8277b45b113de67f.
Is a workaround available when patching cannot happen immediately?
No workaround is specified in the available information. The described trigger involves the HiSilicon SEC AEAD software fallback path and 64K page settings.