CVE-2022-49921
High
Description
In the Linux kernel, the following vulnerability has been resolved: net: sched: Fix use after free in red_enqueue() We can't use "skb" again after passing it to qdisc_enqueue(). This is basically identical to commit 2f09707d0c97 ("sch_sfb: Also store skb len before calling child enqueue").
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 1, 2025
First seenMay 1, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel4.5, 4.9.333, 4.14.299, 4.19.265, 5.4.224, 5.10.154, 5.15.78, 6.0.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.4.163 ≤ v < 4.5, 4.7 ≤ v < 4.9.333, 4.10 ≤ v < 4.14.299, 4.15 ≤ v < 4.19.265, 4.20 ≤ v < 5.4.224, 5.5 ≤ v < 5.10.154, 5.11 ≤ v < 5.15.78, 5.16 ≤ v < 6.0.8, 6.1 | 4.5, 4.9.333, 4.14.299, 4.19.265, 5.4.224, 5.10.154, 5.15.78, 6.0.8 |
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