Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 ("fuse: clear intr_entry in fuse_resend and fuse_remove_pending_req") the WARN_ON(!list_empty(&req->intr_entry)) in fuse_request_free() still triggers due to the following race: In request_wait_answer() if (test_bit(FR_SENT, &req->flags)) -> returns true In fuse_chan_resend() clear_bit(FR_SENT, &req->flags) In request_wait_answer() queue_interrupt(req) Fix by: - move clearing FR_SENT inside fpq->lock - move setting FR_PENDING inside fiq->lock - recheck FR_SENT after acquiring fiq->lock in fuse_dev_queue_interrupt()
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1d8ecd0cd696a5df0b2f72046a4ccee5d2a8ec2c before 67ddf061790e833d7e34f9dc901866c9fb25d72d; affected 7366e6f4d2b4c7002b13fb01219e83679dad4127 before 0f930904452945f409eeeb0c9afa08bf27185cb1; affected f8fce75fedf73ac72aa09163deb8f4291fdcaad2 before 26fbe4bc3ef3ab0200407681cbef182af5d151de; affected f8fce75fedf73ac72aa09163deb8f4291fdcaad2 before ed9c881f3b498383f73c42712b359419da42a7b0; affected 893479015cb6442fd389d3b553ab3036c9541715; affected 6.12.96 before 6.12.111; affected 6.18.39 before 6.18.51; affected 7.1.4 before 7.2 |
| Linux / Linux | affected 7.2; unaffected 0 before 7.2; unaffected 6.12.111 through 6.12.*; unaffected 6.18.51 through 6.18.*; unaffected 7.2.3 through 7.2.*; unaffected 7.3 through * |
CWE
No CWE identifiers supplied.