Vulnerability Database

296,747

Total vulnerabilities in the database

CVE-2022-49921

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").

  • Published: May 1, 2025
  • Updated: May 8, 2025
  • CVE: CVE-2022-49921
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
linux / linux_kernel 6.1-rc2 6.1-rc2.x
linux / linux_kernel 6.1-rc1 6.1-rc1.x
linux / linux_kernel 6.1-rc3 6.1-rc3.x
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 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