CVE-2021-46991
i40e: Fix use-after-free in i40e_client_subtask()
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:
i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_client_del_instance frees the object
pf->cinst, however pf->cinst->lan_info is being accessed after
the free. Fix this by adding the missing return.
Addresses-Coverity: ("Read from pointer after free")
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: i40e: Se corrige use-after-free en i40e_client_subtask() Actualmente la llamada a i40e_client_del_instance libera el objeto pf->cinst, sin embargo se accede a pf->cinst->lan_info después de gratis. Solucione este problema agregando la declaración que falta. Direcciones-Cobertura: ("Leer desde el puntero después de estar libre")
*Credits:
N/A
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SSVC
- Decision:Track
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Timeline
- 2024-02-27 CVE Reserved
- 2024-02-28 CVE Published
- 2024-02-29 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/7b0b1a6d0ac983ce1928432285d0222d4fb7c38b | 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" | >= 4.16 < 4.19.191 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 4.19.191" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.16 < 5.4.120 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.4.120" | en |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.16 < 5.10.38 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.10.38" | en |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.16 < 5.11.22 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.11.22" | en |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.16 < 5.12.5 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.12.5" | en |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.16 < 5.13 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.13" | en |
Affected
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