CVE-2021-47501

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*

History

06 Jan 2025, 20:44

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e - () https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e - Patch
References () https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421 - () https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421 - Patch
References () https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83 - () https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83 - Patch
CWE CWE-476

21 Nov 2024, 06:36

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: i40e: Se corrigió la desreferencia del puntero NULL en i40e_dbg_dump_desc Al intentar volcar los descriptores VF VSI RX/TX usando debugfs, se produjo un bloqueo debido a la desreferencia del puntero NULL en i40e_dbg_dump_desc. Se agregó una verificación a i40e_dbg_dump_desc que verifica si el tipo de VSI es correcto para volcar descriptores RX/TX.
References () https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e - () https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e -
References () https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421 - () https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421 -
References () https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83 - () https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83 -

24 May 2024, 18:09

Type Values Removed Values Added
New CVE

Information

Published : 2024-05-24 15:15

Updated : 2025-01-06 20:44


NVD link : CVE-2021-47501

Mitre link : CVE-2021-47501

CVE.ORG link : CVE-2021-47501


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference