Linux Distros Unpatched Vulnerability : CVE-2023-53487

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: allow user copy to flash block cache objects With hardened usercopy enabl...

CVE-2023-53487 powerpc/rtas_flash: allow user copy to flash block cache objects

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update yields a BUG: kern...

CVE-2023-53487

CVE-2023-53487 concerns the Linux kernel under POWERPC: the powerpc/rtas_flash path allowed a user to copy memory into flash_block_cache objects when hardened usercopy is enabled (CONFIG_HARDENED_USERCOPY=y). The flaw is triggered via the /proc/powerpc/rtas/firmware_update interface, causing a ke...