linux: In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enic_...
CVE-2021-46998 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-46998, released February 28, 2024. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.10.38-1 | DEBIAN-CVE-2021-46998 | Feb 28, 2024 |
| linux · Debian 13.5 (trixie) | 5.10.38-1 | DEBIAN-CVE-2021-46998 | Feb 28, 2024 |
| linux · Debian 14 | 5.10.38-1 | DEBIAN-CVE-2021-46998 | Feb 28, 2024 |
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