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.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel | Jul 16, 2024 | Feb 28, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade python3-perf | Jul 17, 2024 | Feb 28, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 28, 2024 |
| Suse | — | Upgrade kernel-azure-baseUpgrade kernel-source-azureUpgrade kernel-devel-azureUpgrade kernel-azure-develUpgrade kernel-default-manUpgrade kernel-syms-azureUpgrade kernel-default-develUpgrade kernel-azureUpgrade kernel-64kbUpgrade kernel-obs-buildUpgrade kernel-preempt-develUpgrade kernel-sourceUpgrade kernel-zfcpdumpUpgrade kernel-symsUpgrade kernel-macrosUpgrade kernel-docsUpgrade kernel-default-baseUpgrade reiserfs-kmp-defaultUpgrade kernel-preemptUpgrade kernel-default-extraUpgrade kernel-develUpgrade kernel-defaultUpgrade kernel-64kb-devel | Aug 9, 2024 | Feb 28, 2024 |
| Ubuntu | — | Upgrade linux-aws-fipsUpgrade linux-aws-5.4Upgrade linux-hwe-5.4Upgrade linux-oracleUpgrade linux-azureUpgrade linux-raspi-5.4Upgrade linux-azure-5.4Upgrade linux-raspiUpgrade linux-gcp-fipsUpgrade linux-bluefieldUpgrade linux-kvmUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-oracle-5.4Upgrade linux-azure-fipsUpgrade linux-gkeopUpgrade linux-awsUpgrade linuxUpgrade linux-fips | Nov 19, 2024 | Feb 28, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub