CVE-2022-49921
net: sched: Fix use after free in red_enqueue()
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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").
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 1, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < 795afe0b9bb6c915f0299a8e309936519be01619 d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < a238cdcf2bdc72207c74375fc8be13ee549ca9db d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < e877f8fa49fbccc63cb2df2e9179bddc695b825a d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < 52e0429471976785c155bfbf51d80990c6cd46e2 d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < 5960b9081baca85cc7dcb14aec1de85999ea9d36 d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < fc4b50adb400ee5ec527a04073174e8e73a139fa d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < 170e5317042c302777ed6d59fdb84af9b0219d4e d7f4f332f082c4d4ba53582f902ed6b44fd6f45e < 8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9 ab0b3b9dbf559a5633d460e748144697bd2d3aa3
Linux / Linux
4.7
References
git.kernel.org: https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619 git.kernel.org: https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9db git.kernel.org: https://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825a git.kernel.org: https://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2 git.kernel.org: https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36 git.kernel.org: https://git.kernel.org/stable/c/fc4b50adb400ee5ec527a04073174e8e73a139fa git.kernel.org: https://git.kernel.org/stable/c/170e5317042c302777ed6d59fdb84af9b0219d4e git.kernel.org: https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9