CVE-2023-34319
Linux: buffer overrun in netback due to unusual packet
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
The fix for XSA-423 added logic to Linux'es netback driver to deal with
a frontend splitting a packet in a way such that not all of the headers
would come in one piece. Unfortunately the logic introduced there
didn't account for the extreme case of the entire packet being split
into as many pieces as permitted by the protocol, yet still being
smaller than the area that's specially dealt with to keep all (possible)
headers together. Such an unusual packet would therefore trigger a
buffer overrun in the driver.
La solución para XSA-423 agregó lógica al controlador netback de Linux para lidiar con una interfaz que divide un paquete de tal manera que no todos los encabezados vengan en una sola pieza. Desafortunadamente, la lógica introducida allí no tuvo en cuenta el caso extremo de que todo el paquete se divida en tantas partes como lo permita el protocolo, pero aún así sea más pequeño que el área que se trata especialmente para mantener todos los (posibles) encabezados juntos. Por lo tanto, un paquete tan inusual provocaría un Desbordamiento del Búfer en el controlador.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2023-06-01 CVE Reserved
- 2023-09-06 CVE Published
- 2024-01-17 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html | Third Party Advisory |
|
| https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html | Third Party Advisory |
|
| https://security.netapp.com/advisory/ntap-20240202-0001 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://xenbits.xenproject.org/xsa/advisory-432.html | 2024-06-26 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Xen Search vendor "Xen" | Xen Search vendor "Xen" for product "Xen" | >= 3.2.0 Search vendor "Xen" for product "Xen" and version " >= 3.2.0" | x86 |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.9.336 < 4.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.9.336 < 4.10" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.14.302 < 4.14.321 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.14.302 < 4.14.321" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.19.269 < 4.19.290 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19.269 < 4.19.290" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.4.227 < 5.4.252 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.4.227 < 5.4.252" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.10.159 < 5.10.189 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10.159 < 5.10.189" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.15.83 < 5.15.125 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15.83 < 5.15.125" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.1.13 < 6.1.44 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1.13 < 6.1.44" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.2 < 6.4.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.2 < 6.4.9" | - |
Affected
| ||||||