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fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-53402

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/video/fbdev/core/fbcon.c"
                    ],
                    "versions": [
                        {
                            "version": "868749a7456dc48e93887a8474194e2ee6d6c21f",
                            "lessThan": "cb016bcb40c81e7b19c4ae6143babb366dae8e20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ebd6f886aa2447fcfcdce5450c9e1028e1d681bb",
                            "lessThan": "ac562193c36696513ae196171892e9338475c4bc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24",
                            "lessThan": "3618a4c5b2591cfa83efe74f5b18c2d02b35c3f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24",
                            "lessThan": "a7a526fbc847f07ad3a503c7382189be5ab68574",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24",
                            "lessThan": "b5bb2c696e140c399cb874def2feedf61dee27d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24",
                            "lessThan": "076b1aa65f77a49bce5a48a4a55a397cfcafa2b8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24",
                            "lessThan": "39815715cbcfabb16fc8c5f4a23deeda20f5df62",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a5a923038d70d2d4a86cb4e3f32625a5ee6e7e24",
                            "lessThan": "8fdc8c2057eea08d40ce2c8eed41ff9e451c65c2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f08ccb792d3eaf1dc62d8cbf6a30d6522329f660",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.249",
                            "lessThan": "5.10.261",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.64",
                            "lessThan": "5.15.212",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.6",
                            "lessThan": "5.20",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/video/fbdev/core/fbcon.c"
                    ],
                    "versions": [
                        {
                            "version": "6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.96",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.39",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.3",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 8 Nov 20:02 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current