Vulnerability 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").
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.4.163, < 4.5 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/170e5317042c302777ed6d59fdb84af9b0219d4ePatch
- https://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2Patch
- https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36Patch
- https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619Patch
- https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9Patch
- https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9dbPatch
- https://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825aPatch
- https://git.kernel.org/stable/c/fc4b50adb400ee5ec527a04073174e8e73a139faPatch
FAQ
What is CVE-2022-49921?
CVE-2022-49921 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 i...
How severe is CVE-2022-49921?
CVE-2022-49921 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-49921?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.