{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68480",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.397Z",
        "datePublished": "2026-08-06T17:36:43.654Z",
        "dateUpdated": "2026-08-18T06:56:07.999Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-18T06:56:07.999Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/bugs: Make Safe-RET robust against interrupt injection\n\nAn attacker injecting interrupts while the Safe-RET mitigation executes\non machines affected by SRSO can neutralize the safe return sequence,\npotentially leading to data leakage through speculative execution.\n\nFixup register state as if the Safe-RET sequence executed successfully\nby \"emulating\" it, in a manner of speaking, and avoid executing a RET\ninstruction after returning from the interrupt."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/entry/entry_64.S",
                        "arch/x86/include/asm/nospec-branch.h",
                        "arch/x86/kernel/cpu/bugs.c",
                        "arch/x86/lib/retpoline.S"
                    ],
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                            "lessThan": "dfefa3c51370f84acb643cddf98bb42c885d0483",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b35087763a44d1eb45857f799579a351332be505",
                            "lessThan": "52db77a13be224e09eb4ba6b4252ae8ab9085c2c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ac41e90d8daa8815d8bee774a1975435fbfe1ae7",
                            "lessThan": "d0208e08d64d99383e09852a76cc3038c5a4c3ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb3bd914b3ec28f5fb697ac55c4846ac2d542855",
                            "lessThan": "6703dba1d14cbd6647cd1ccfa3a3fa94b64dd096",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb3bd914b3ec28f5fb697ac55c4846ac2d542855",
                            "lessThan": "e262f28a69ae9e0791248f93b0173c1d1f3e1d5d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb3bd914b3ec28f5fb697ac55c4846ac2d542855",
                            "lessThan": "bfe7f9993467ba431b2731437949ac1e2634e771",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb3bd914b3ec28f5fb697ac55c4846ac2d542855",
                            "lessThan": "61649a2d61cb0dbc673f0f232f0f0c298bf50442",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fb3bd914b3ec28f5fb697ac55c4846ac2d542855",
                            "lessThan": "7e7f81cf6f5ca3311e526308f55d7c54d3ba71f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "acdc883eb61efbe01b954e782e1124790bd391a8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.10.189",
                            "lessThan": "5.10.264",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.125",
                            "lessThan": "5.15.215",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.44",
                            "lessThan": "6.1.182",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.9",
                            "lessThan": "6.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/x86/entry/entry_64.S",
                        "arch/x86/include/asm/nospec-branch.h",
                        "arch/x86/kernel/cpu/bugs.c",
                        "arch/x86/lib/retpoline.S"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.264",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.215",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.182",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.150",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.102",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.43",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.7",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.10.264"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dfefa3c51370f84acb643cddf98bb42c885d0483"
                },
                {
                    "url": "https://git.kernel.org/stable/c/52db77a13be224e09eb4ba6b4252ae8ab9085c2c"
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                    "url": "https://git.kernel.org/stable/c/d0208e08d64d99383e09852a76cc3038c5a4c3ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6703dba1d14cbd6647cd1ccfa3a3fa94b64dd096"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e262f28a69ae9e0791248f93b0173c1d1f3e1d5d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bfe7f9993467ba431b2731437949ac1e2634e771"
                },
                {
                    "url": "https://git.kernel.org/stable/c/61649a2d61cb0dbc673f0f232f0f0c298bf50442"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7e7f81cf6f5ca3311e526308f55d7c54d3ba71f9"
                },
                {
                    "url": "https://people.csail.mit.edu/mengjia/data/2026.USENIX.TONTOU.pdf"
                }
            ],
            "title": "x86/bugs: Make Safe-RET robust against interrupt injection",
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