HighFix available
net: sched: Fix use after free in red_enqueue()
Type: advisorySources: OSV
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").
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.299, 4.19.265, 4.9.333, 5.10.154, 5.15.78, 5.4.224, 6.0.8
- CVEs
- CVE-2022-49921
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 04:38 UTC · Revision 1
Source evidence
net: sched: Fix use after free in red_enqueue()
core-osv · Original sourcePublished 1 May 2025, 14:11 UTC
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").
osv:CVE-2022-49921
Kernel
Fixed versions: 4.9.333, 4.14.299, 4.19.265, 5.4.224, 5.10.154, 5.15.78, 6.0.8
Complete source record
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"modified": "2026-10-28T02:30:49.981360791Z",
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