CVE-2022-49921
Last modified
CVE-2022-49921 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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").. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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").
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.4.163, < 4.5 | — |
| Linux | Linux Kernel | >= 4.7, < 4.9.333 | — |
| Linux | Linux Kernel | >= 4.10, < 4.14.299 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.265 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.224 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.154 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.78 | — |
| Linux | Linux Kernel | >= 5.16, < 6.0.8 | — |
| Linux | Linux Kernel | 6.1 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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