CVE-2022-49026
High
Description
In the Linux kernel, the following vulnerability has been resolved: e100: Fix possible use after free in e100_xmit_prepare In e100_xmit_prepare(), if we can't map the skb, then return -ENOMEM, so e100_xmit_frame() will return NETDEV_TX_BUSY and the upper layer will resend the skb. But the skb is already freed, which will cause UAF bug when the upper layer resends the skb. Remove the harmful free.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedOct 21, 2024
First seenOct 21, 2024
How to fix
Update
- linux linux_kernel5.10.158, 5.15.82, 6.0.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.3 ≤ v < 5.10.158, 5.11 ≤ v < 5.15.82, 5.16 ≤ v < 6.0.12, 6.1 | 5.10.158, 5.15.82, 6.0.12 |
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