CVE-2021-47198

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine An error is detected with the following report when unloading the driver: "KASAN: use-after-free in lpfc_unreg_rpi+0x1b1b" The NLP_REG_LOGIN_SEND nlp_flag is set in lpfc_reg_fab_ctrl_node(), but the flag is not cleared upon completion of the login. This allows a second call to lpfc_unreg_rpi() to proceed with nlp_rpi set to LPFC_RPI_ALLOW_ERROR. This results in a use after free access when used as an rpi_ids array index. Fix by clearing the NLP_REG_LOGIN_SEND nlp_flag in lpfc_mbx_cmpl_fc_reg_login().

The following products are affected by CVE-2021-47198 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47198.

URL	Resource
https://git.kernel.org/stable/c/79b20beccea3a3938a8500acef4e6b9d7c66142f
https://git.kernel.org/stable/c/dbebf865b3239595c1d4dba063b122862583b52a
https://lore.kernel.org/linux-cve-announce/2024041036-CVE-2021-47198-2426@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47198
https://www.cve.org/CVERecord?id=CVE-2021-47198