CVE-2022-49921
net: sched: Fix use after free in red_enqueue()
Severity Score
7.8
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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").
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").
The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bug fixes.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-05-01 CVE Reserved
- 2025-05-01 CVE Published
- 2025-05-04 CVE Updated
- 2025-07-08 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/d7f4f332f082c4d4ba53582f902ed6b44fd6f45e | Vuln. Introduced | |
| https://git.kernel.org/stable/c/ab0b3b9dbf559a5633d460e748144697bd2d3aa3 | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 4.9.333 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 4.9.333" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 4.14.299 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 4.14.299" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 4.19.265 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 4.19.265" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 5.4.224 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 5.4.224" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 5.10.154 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 5.10.154" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 5.15.78 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 5.15.78" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 6.0.8 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 6.0.8" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.7 < 6.1 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.7 < 6.1" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 4.4.163 Search vendor "Linux" for product "Linux Kernel" and version "4.4.163" | en |
Affected
| ||||||