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...

UBUNTU-CVE-2025-68743

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix create memory region overlap check The current check is incorrect; it only checks if the beginning or end of a region is within an existing region. This doesn't account for userspace specifying a region that begins befo...

CVE-2023-54116 drm/fbdev-generic: prohibit potential out-of-bounds access

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-2023-54116

CVE-2023-54116 targets the Linux kernel’s DRM fbdev path (drm_fb_helper_memory_range_to_clip) where fbdev tests may write past EOF, causing out-of-bounds accesses and kernel hangs. The root cause is unsafe damage-rectangle computation: buffers are page-size aligned and the DIV_ROUND_UP usage can ...

CVE-2023-54116 drm/fbdev-generic: prohibit potential out-of-bounds access

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-2022-50738 vhost-vdpa: fix an iotlb memory leak

In the Linux kernel, the following vulnerability has been resolved: vhost-vdpa: fix an iotlb memory leak Before commit 3d5698793897 "vhost-vdpa: introduce asid based IOTLB" we called vhostvdpaiotlbunmapv, iotlb, 0ULL, 0ULL - 1 during release to free all the resources allocated when processing use...

CVE-2022-50738

Technical details for CVE-2022-50738 are not publicly provided in the supplied documents. Monitor for updates from kernel/vhost-vdpa patches and related advisories.

CVE-2025-68743 mshv: Fix create memory region overlap check

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix create memory region overlap check The current check is incorrect; it only checks if the beginning or end of a region is within an existing region. This doesn't account for userspace specifying a region that begins befo...

CVE-2025-68743

The CVE-2025-68743 entry concerns the Linux kernel: the mshv memory-region creation check was incorrect and could mis-handle regions that start before and end after existing regions. The fix replaces the flawed beginning/end overlap checks with a proper range intersection check against gfns and u...

CVE-2025-68743 mshv: Fix create memory region overlap check

In the Linux kernel, the following vulnerability has been resolved: mshv: Fix create memory region overlap check The current check is incorrect; it only checks if the beginning or end of a region is within an existing region. This doesn't account for userspace specifying a region that begins befo...

CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

CVE-2023-53989

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: fix VA-range sanity check Both createmappingnoalloc and updatemappingprot sanity-check their 'virt' parameter, but the check itself doesn't make much sense. The condition used today appears to be a historical accident...

CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

UBUNTU-CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

UBUNTU-CVE-2023-53989

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: fix VA-range sanity check Both createmappingnoalloc and updatemappingprot sanity-check their 'virt' parameter, but the check itself doesn't make much sense. The condition used today appears to be a historical accident...

CVE-2023-53989

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: fix VA-range sanity check Both createmappingnoalloc and updatemappingprot sanity-check their 'virt' parameter, but the check itself doesn't make much sense. The condition used today appears to be a historical accident...

CVE-2023-54021 ext4: set goal start correctly in ext4_mb_normalize_request

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

CVE-2023-54021

CVE-2023-54021 affects the Linux kernel ext4 subsystem. The vulnerability centers on ext4_mb_normalize_request: the code must use ac_g_ex (not ac_f_ex) to communicate the goal start to ext4_mb_find_by_goal, and verify that the goal start lies within the data block range [first_data_block, blocks_...

CVE-2023-54021 ext4: set goal start correctly in ext4_mb_normalize_request

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

CVE-2023-53989 arm64: mm: fix VA-range sanity check

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: fix VA-range sanity check Both createmappingnoalloc and updatemappingprot sanity-check their 'virt' parameter, but the check itself doesn't make much sense. The condition used today appears to be a historical accident...