K000160685: Linux kernel vulnerability CVE-2025-40322

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitputcs bitputcsaligned/unaligned derived the glyph pointer from the character value masked by 0xff/0x1ff, which may exceed the actual font's glyph count a...

Oracle Linux 9 : kernel (ELSA-2026-2722)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-2722 advisory. - smc: Fix use-after-free in pnetfindbasendev. Mete Durlu RHEL-126890 CVE-2025-40064 - ntbhwswitchtec: Fix shift-out-of-bounds in switchtecntbmwsettran...

CVE-2025-40322

Summary (CVE-2025-40322) : In the Linux kernel framebuffer (fbdev) bitblit path, bit_putcs* computations derived a glyph pointer from the character value masked by 0xff/0x1ff, which could read past the font array end. The fix clamps the index to the actual glyph count before computing the address...