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In the Linux kernel, the following vulnerability has been resolved:
can: j1939: fix Use-after-Free, hold skb ref while in use
This patch fixes a Use-after-Free found by the syzbot.
The problem is that a skb is taken from the per-session skb queue, without incrementing the ref count. This leads to a Use-after-Free if the skb is taken concurrently from the session queue due to a CTS.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-aws-5.4Upgrade linux-oracle-5.4Upgrade linux-azureUpgrade linux-raspiUpgrade linux-awsUpgrade linux-raspi-5.4Upgrade linux-bluefieldUpgrade linux-fipsUpgrade linuxUpgrade linux-azure-fipsUpgrade linux-gkeopUpgrade linux-azure-5.4Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-hwe-5.4Upgrade linux-gcp-fipsUpgrade linux-aws-fips | Nov 19, 2024 | May 21, 2024 |
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