In the Linux kernel, the following vulnerability has been resolved:
net: 9p: fix refcount leak in p9_read_work() error handling
p9_req_put need to be called when m->rreq->rc.sdata is NULL to avoid temporary refcount leak.
[Dominique: commit wording adjustments, p9_req_put argument fixes for rebase]
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:NI:NA:H5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H