Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix use-after-free bug for mm struct Under certain conditions, such as MPI_Abort, the hfi1 cleanup code may represent the last reference held on the task mm. hfi1_mmu_rb_unregister() then drops the last reference and the mm is freed before the final use in hfi1_release_user_pages(). A new task may allocate the mm structure while it is still being used, resulting in problems. One manifestation is corruption of the mmap_sem counter leading to a hang in down_write(). Another is corruption of an mm struct that is in use by another task.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 3d2a9d642512c21a12d19b9250e7a835dcb41a79 before 5f54364ff6cfcd14cddf5441c4a490bb28dd69f7; affected 3d2a9d642512c21a12d19b9250e7a835dcb41a79 before 9ca11bd8222a612de0d2f54d050bfcf61ae2883f; affected 3d2a9d642512c21a12d19b9250e7a835dcb41a79 before 0b7186d657ee55e2cdefae498f07d5c1961e8023; affected 3d2a9d642512c21a12d19b9250e7a835dcb41a79 before 5a9a1b24ddb510715f8f621263938186579a965c; affected 3d2a9d642512c21a12d19b9250e7a835dcb41a79 before 2bbac98d0930e8161b1957dc0ec99de39ade1b3c; affected 5732f83596f8a573f2cde814cc76a54e1a8995c7; affected 5.9.12 before 5.10 |
| Linux / Linux | affected 5.10; unaffected 0 before 5.10; unaffected 5.10.111 through 5.10.*; unaffected 5.15.34 through 5.15.*; unaffected 5.16.20 through 5.16.*; unaffected 5.17.3 through 5.17.*; unaffected 5.18 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/5f54364ff6cfcd14cddf5441c4a490bb28dd69f7
- https://git.kernel.org/stable/c/9ca11bd8222a612de0d2f54d050bfcf61ae2883f
- https://git.kernel.org/stable/c/0b7186d657ee55e2cdefae498f07d5c1961e8023
- https://git.kernel.org/stable/c/5a9a1b24ddb510715f8f621263938186579a965c
- https://git.kernel.org/stable/c/2bbac98d0930e8161b1957dc0ec99de39ade1b3c
ADP enrichment
No English description supplied.
No references supplied.