Tracker / CVE-2021-46998
CVE-2021-46998
High 7.8
In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enic_hard_start_xmit In enic_hard_start_xmit, it calls enic_queue_wq_skb(). Inside enic_queue_wq_skb, if some error happens, the skb will be freed by dev_kfree_skb(skb). But the freed skb is still used in skb_tx_timestamp(skb). My patch makes enic_queue_wq_skb() return error and goto spin_unlock() incase of error. The solution is provided by Govind. See https://lkml.org/lkml/2021/4/30/961.
Affected products and versions
| linux | linux_kernel · 4.16 → 4.19.191 |
|---|---|
| linux | linux_kernel · 4.20 → 5.4.120 |
| linux | linux_kernel · 5.11 → 5.11.22 |
| linux | linux_kernel · 5.12 → 5.12.5 |
| linux | linux_kernel · 5.5 → 5.10.38 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.