CVE-2023-54091

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drmclienttargetcloned dmtmode is allocated and never freed in this function. It was found with the ast driver, but most drivers using generic fbdev setup are probably affected. This fixes the...

UBUNTU-CVE-2023-54116

In the Linux kernel, the following vulnerability has been resolved: drm/fbdev-generic: prohibit potential out-of-bounds access The fbdev test of IGT may write after EOF, which lead to out-of-bound access for drm drivers with fbdev-generic. For example, run fbdev test on a x86+ast2400 platform, wi...

CVE-2023-54091 drm/client: Fix memory leak in drm_client_target_cloned

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drmclienttargetcloned dmtmode is allocated and never freed in this function. It was found with the ast driver, but most drivers using generic fbdev setup are probably affected. This fixes the...

CVE-2022-50767 fbdev: smscufx: Fix several use-after-free bugs

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufxopsdestroy function to .fbdestroy of fbops, and in this function, there is krefput that finally calls...

fbdev: bitblit: bound-check glyph index in bit_putcs*

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EUVD-2025-201622

In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fbdisplayi-mode to NULL when the mode is released Recently, we discovered the following issue through syzkaller: BUG: KASAN: slab-use-after-free in fbmodeisequal+0x285/0x2f0 Read of size 4 at addr ff11000001b3c69c by...

UBUNTU-CVE-2022-50628

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fix UBSAN warning UBSAN complains about invalid value for bool: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426 usbcore:...

UBUNTU-CVE-2025-40322

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 and read past the end of the...

CVE-2025-40322 fbdev: bitblit: bound-check glyph index in bit_putcs*

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 and read past the end of the...

CVE-2025-40322 fbdev: bitblit: bound-check glyph index in bit_putcs*

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 and read past the end of the...

CVE-2025-40322

The CVE-2025-40322 issue affects the Linux kernel fbdev font handling. The bound-check for glyph indices in bit_putcs_aligned() and bit_putcs_unaligned() derived the glyph pointer from the character value masked by 0xff/0x1ff, which could exceed the font’s glyph count and cause an out-of-bounds r...

CVE-2025-40304

CVE-2025-40304 corresponds to a Linux kernel vulnerability in the fbdev path, where an insufficient bounds check in the function used to render text (bit_putcs) allowed an out-of-bounds write to vmalloc-ed memory when drawing near framebuffer edges. The root cause was a mismatch between the alloc...

CVE-2025-40304

In the Linux kernel, the following vulnerability has been resolved: fbdev: Add bounds checking in bitputcs to fix vmalloc-out-of-bounds Add bounds checking to prevent writes past framebuffer boundaries when rendering text near screen edges. Return early if the Y position is off-screen and clip...

CVE-2025-40304 fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds

In the Linux kernel, the following vulnerability has been resolved: fbdev: Add bounds checking in bitputcs to fix vmalloc-out-of-bounds Add bounds checking to prevent writes past framebuffer boundaries when rendering text near screen edges. Return early if the Y position is off-screen and clip...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988751)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988751 advisory. In the Linux kernel, the following vulnerability has been resolved: video: fbdev: smscufx: Fix null-ptr-deref in ufxusbprobe I got a null-ptr-deref report: BUG: kern...

fbdev: omap: use threaded IRQ for LCD DMA

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CVE-2025-40037

In the Linux kernel, the following vulnerability has been resolved: fbdev: simplefb: Fix use after free in simplefbdetachgenpds The pmdomain cleanup can not be devres managed as it uses struct simplefbpar which is allocated within struct fbinfo by framebufferalloc. This allocation is explicitly...

CLSA-2025-1760647898 Fix of 22 CVEs

CVE-url: https://ubuntu.com/security/CVE-2022-43945 - NFSD: Protect against send buffer overflow in NFSv3 READ Focal update: v5.4.285 upstream stable release LP: 2089233 // CVE-2024-49924 // CVE-url: https://ubuntu.com/security/CVE-2024-49924 - fbdev: pxafb: Fix possible use after free in pxafbta...

CVE-2023-53678

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix system suspend without fbdev being initialized If fbdev is not initialized for some reason - in practice on platforms without display - suspending fbdev should be skipped during system suspend, fix this up. While at...

EUVD-2025-32737

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix system suspend without fbdev being initialized If fbdev is not initialized for some reason - in practice on platforms without display - suspending fbdev should be skipped during system suspend, fix this up. While at...