Detections
Analytics

Google: sys-kernel/csql-kernel-6_6, sys-kernel/lakitu-kernel-6_6, sys-kernel/lakitu-nc-kernel-6_6, sys-kernel/lakitu-vgpu-kernel-6_6: security update to 18867.381.161

high Tenable Cloud Security Plugin ID 467180

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In the Linux kernel, the following vulnerability has been resolved: drm/gem: Fix inconsistent plane
 dimension calculation in drm_gem_fb_init_with_funcs() drm_gem_fb_init_with_funcs() computes sub-sampled
 plane dimensions using plain integer division: unsigned int width = mode_cmd->width / (i ? info->hsub :
 1); unsigned int height = mode_cmd->height / (i ? info->vsub : 1); However, the ioctl-level
 framebuffer_check() in drm_framebuffer.c uses drm_format_info_plane_width/height() which round up
 dimensions via DIV_ROUND_UP(). This inconsistency corrupts the subsequent GEM object size check for
 certain pixel format and dimension combinations. For example, with NV12 (vsub=2) and a 1-pixel-tall
 framebuffer the GEM size validation path sees height=0 instead of height=1. The expression (height - 1)
 then wraps to UINT_MAX as an unsigned int, causing min_size to overflow and wrap back to a small value. A
 tiny GEM object therefore passes the size guard, yet when the GPU accesses the chroma plane it will read
 or write memory beyond the object's bounds. Fix by replacing the open-coded divisions with
 drm_format_info_plane_width() and drm_format_info_plane_height(), which use DIV_ROUND_UP() and match the
 calculation already used in framebuffer_check(). (CVE-2026-46209)

Solution

Update the sys-kernel/csql-kernel-6_6 library and its related packages to version 18867.381.161 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-121.oval.xml.tar.gz

Plugin Details

Severity: High

ID: 467180

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58

Vendor

Vendor Severity: LOW

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-46209

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-46209