In the Linux kernel, the following vulnerability has been resolved:
net: sched: act_connmark: initialize struct tc_ife to fix kernel leak
In tcf_connmark_dump(), the variable 'opt' was partially initialized using a
designatied initializer. While the padding bytes are reamined
uninitialized. nla_put() copies the entire structure into a
netlink message, these uninitialized bytes leaked to userspace.
Initialize the structure with memset before assigning its fields
to ensure all members and padding are cleared prior to beign copied.
from 22a5dc0e5e3e8fef804230cd73ed7b0afd4c7bae before 218b67c8c8246d47a2a7910eae80abe4861fe2b7; from 22a5dc0e5e3e8fef804230cd73ed7b0afd4c7bae before 73cc56c608c209d3d666cc571293b090a471da70; from 22a5dc0e5e3e8fef804230cd73ed7b0afd4c7bae before 31e4aa93e2e5b5647fc235b0f6ee329646878f9e; from 22a5dc0e5e3e8fef804230cd73ed7b0afd4c7bae before 51cb05d4fd632596816ba44e882e84db9fb28a7e; from 22a5dc0e5e3e8fef804230cd73ed7b0afd4c7bae before 25837889ec062f2b7618142cd80253dff3da5343; from 22a5dc0e5e3e8fef804230cd73ed7b0afd4c7bae before 62b656e43eaeae445a39cd8021a4f47065af4389
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.
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