CVE-2021-47049

Drivers: hv: vmbus: Use after free in __vmbus_open()

EPSS 0.2%

Vexday Risk Score

3Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

28 fev 2024Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

Produtos afetados

Linux · Linux

Referências

https://git.kernel.org/stable/c/2728f289b3270b0e273292b46c534421a33bbfd5 https://git.kernel.org/stable/c/3e9bf43f7f7a46f21ec071cb47be92d0874c48da https://git.kernel.org/stable/c/d5c7b42c9f56ca46b286daa537d181bd7f69214f https://git.kernel.org/stable/c/f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560