CVE-2021-47298
bpf, sockmap: Fix potential memory leak on unlikely error case
Severity Score
"-"
*CVSS v-
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
bpf, sockmap: Fix potential memory leak on unlikely error case
If skb_linearize is needed and fails we could leak a msg on the error
handling. To fix ensure we kfree the msg block before returning error.
Found during code review.
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: bpf, sockmap: corrige una posible pérdida de memoria en un caso de error poco probable. Si se necesita skb_linearize y falla, podríamos filtrar un mensaje sobre el manejo de errores. Para solucionarlo, asegúrese de liberar el bloque de mensajes antes de devolver el error. Encontrado durante la revisión del código.
*Credits:
N/A
CVSS Scores
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Scope
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* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-05-21 CVE Reserved
- 2024-05-21 CVE Published
- 2024-05-22 EPSS Updated
- 2024-12-19 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/4363023d2668e621b0743db351a9555d6e6ea57e | 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" | >= 5.10 < 5.10.54 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.10.54" | en |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.10 < 5.13.6 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.13.6" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.10 < 5.14 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.14" | en |
Affected
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