{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-26710",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-19T14:20:24.159Z",
        "datePublished": "2024-04-03T14:55:12.583Z",
        "dateUpdated": "2024-08-02T00:14:12.978Z"
    },
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                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:21:16.535Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/kasan: Limit KASAN thread size increase to 32KB\n\nKASAN is seen to increase stack usage, to the point that it was reported\nto lead to stack overflow on some 32-bit machines (see link).\n\nTo avoid overflows the stack size was doubled for KASAN builds in\ncommit 3e8635fb2e07 (\"powerpc/kasan: Force thread size increase with\nKASAN\").\n\nHowever with a 32KB stack size to begin with, the doubling leads to a\n64KB stack, which causes build errors:\n  arch/powerpc/kernel/switch.S:249: Error: operand out of range (0x000000000000fe50 is not between 0xffffffffffff8000 and 0x0000000000007fff)\n\nAlthough the asm could be reworked, in practice a 32KB stack seems\nsufficient even for KASAN builds - the additional usage seems to be in\nthe 2-3KB range for a 64-bit KASAN build.\n\nSo only increase the stack for KASAN if the stack size is < 32KB."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/powerpc/include/asm/thread_info.h"
                    ],
                    "versions": [
                        {
                            "version": "9ccf64e763ac",
                            "lessThan": "4297217bcf1f",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "b38014874530",
                            "lessThan": "4cc31fa07445",
                            "status": "affected",
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                        {
                            "version": "58f396513cb1",
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                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "18f14afe2816",
                            "lessThan": "f1acb109505d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/powerpc/include/asm/thread_info.h"
                    ],
                    "versions": [
                        {
                            "version": "6.1.75",
                            "lessThan": "6.1.79",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "6.6.14",
                            "lessThan": "6.6.18",
                            "status": "affected",
                            "versionType": "custom"
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                        {
                            "version": "6.7.2",
                            "lessThan": "6.7.6",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4297217bcf1f0948a19c2bacc6b68d92e7778ad9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4cc31fa07445879a13750cb061bb8c2654975fcb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b29b16bd836a838b7690f80e37f8376414c74cbe"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f1acb109505d983779bbb7e20a1ee6244d2b5736"
                }
            ],
            "title": "powerpc/kasan: Limit KASAN thread size increase to 32KB",
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        },
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                                "timestamp": "2024-04-03T17:38:18.725321Z",
                                "id": "CVE-2024-26710",
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                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                    "shortName": "CVE",
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                "title": "CVE Program Container",
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                    {
                        "url": "https://git.kernel.org/stable/c/4297217bcf1f0948a19c2bacc6b68d92e7778ad9",
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