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fbdev: bitblit: bound-check glyph index in bit_cursor()

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-2026-74635

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/bitblit.c"
                    ],
                    "versions": [
                        {
                            "version": "0998a6cb232674408a03e8561dc15aa266b2f53b",
                            "lessThan": "250159ace2dc53c1bdad267aa8da51b638748700",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "db5c9a162d2f42bcc842b76b3d935dcc050a0eec",
                            "lessThan": "46336f476484f36145e5117e72d7b590f47433ee",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c12003bf91fdff381c55ef54fef3e961a5af2545",
                            "lessThan": "bf750cfeacf4e47ac72dadc7f05839696efb8576",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9ba1a7802ca9a2590cef95b253e6526f4364477f",
                            "lessThan": "94134d70abf9273b70499d97d0adc9185ef21091",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "901f44227072be60812fe8083e83e1533c04eed1",
                            "lessThan": "c1e7351767dd30fc574395c82121e4c67b882da3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18c4ef4e765a798b47980555ed665d78b71aeadf",
                            "lessThan": "bc9db0d879c655d5dfd8add32fd60f13e65d132c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18c4ef4e765a798b47980555ed665d78b71aeadf",
                            "lessThan": "9ea879862e66e354e616028c31b39aa3eb6d35d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "18c4ef4e765a798b47980555ed665d78b71aeadf",
                            "lessThan": "e033cbf3975a8465f879ebd5989dc35b04423a4d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a10cede006f9614b465cf25609a8753efbfd45cc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "efaf89a75a29b2d179bf4fe63ca62852e93ad620",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.247",
                            "lessThan": "5.10.265",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.197",
                            "lessThan": "5.15.216",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.159",
                            "lessThan": "6.1.183",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.117",
                            "lessThan": "6.6.152",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.58",
                            "lessThan": "6.12.104",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.302",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.8",
                            "lessThan": "6.18",
                            "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/bitblit.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.152",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.104",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.45",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.9",
                            "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

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Sources read 9 Nov 07:39 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current