CVE-2021-47521
can: sja1000: fix use after free in ems_pcmcia_add_card()
Severity Score
7.8
*CVSS v3.1
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:
can: sja1000: fix use after free in ems_pcmcia_add_card()
If the last channel is not available then "dev" is freed. Fortunately,
we can just use "pdev->irq" instead.
Also we should check if at least one channel was set up.
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: sja1000: arreglar el use after free en ems_pcmcia_add_card() Si el último canal no está disponible entonces se libera "dev". Afortunadamente, podemos usar "pdev->irq" en su lugar. También debemos comprobar si se configuró al menos un canal.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-05-24 CVE Reserved
- 2024-05-24 CVE Published
- 2024-06-11 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/fd734c6f25aea4b2b44b045e489aec67b388577e | 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" | >= 3.2 < 4.4.295 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 4.4.295" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 4.9.293 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 4.9.293" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 4.14.258 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 4.14.258" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 4.19.221 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 4.19.221" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 5.4.165 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 5.4.165" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 5.10.85 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 5.10.85" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 5.15.8 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 5.15.8" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 3.2 < 5.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.2 < 5.16" | en |
Affected
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