{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23118",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.969Z",
        "datePublished": "2026-02-14T15:09:49.845Z",
        "dateUpdated": "2026-05-11T22:00:28.575Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:00:28.575Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix data-race warning and potential load/store tearing\n\nFix the following:\n\n        BUG: KCSAN: data-race in rxrpc_peer_keepalive_worker / rxrpc_send_data_packet\n\nwhich is reporting an issue with the reads and writes to ->last_tx_at in:\n\n        conn->peer->last_tx_at = ktime_get_seconds();\n\nand:\n\n        keepalive_at = peer->last_tx_at + RXRPC_KEEPALIVE_TIME;\n\nThe lockless accesses to these to values aren't actually a problem as the\nread only needs an approximate time of last transmission for the purposes\nof deciding whether or not the transmission of a keepalive packet is\nwarranted yet.\n\nAlso, as ->last_tx_at is a 64-bit value, tearing can occur on a 32-bit\narch.\n\nFix both of these by switching to an unsigned int for ->last_tx_at and only\nstoring the LSW of the time64_t.  It can then be reconstructed at need\nprovided no more than 68 years has elapsed since the last transmission."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/rxrpc/ar-internal.h",
                        "net/rxrpc/conn_event.c",
                        "net/rxrpc/output.c",
                        "net/rxrpc/peer_event.c",
                        "net/rxrpc/proc.c",
                        "net/rxrpc/rxgk.c",
                        "net/rxrpc/rxkad.c"
                    ],
                    "versions": [
                        {
                            "version": "ace45bec6d77bc061c3c3d8ad99e298ea9800c2b",
                            "lessThan": "a426f29ac3fa3465093567ab763ada46762fb57c",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "ace45bec6d77bc061c3c3d8ad99e298ea9800c2b",
                            "lessThan": "c08cf314191cd0f8699089715efb9eff030f0086",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ace45bec6d77bc061c3c3d8ad99e298ea9800c2b",
                            "lessThan": "f8cf1368e0a5491b27189a695c36f64e48f3d19d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "status": "affected",
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                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/rxrpc/ar-internal.h",
                        "net/rxrpc/conn_event.c",
                        "net/rxrpc/output.c",
                        "net/rxrpc/peer_event.c",
                        "net/rxrpc/proc.c",
                        "net/rxrpc/rxgk.c",
                        "net/rxrpc/rxkad.c"
                    ],
                    "versions": [
                        {
                            "version": "4.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.69",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.8",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
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                                    "versionEndExcluding": "6.6.130"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a426f29ac3fa3465093567ab763ada46762fb57c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c08cf314191cd0f8699089715efb9eff030f0086"
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                    "url": "https://git.kernel.org/stable/c/f8cf1368e0a5491b27189a695c36f64e48f3d19d"
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                {
                    "url": "https://git.kernel.org/stable/c/5d5fe8bcd331f1e34e0943ec7c18432edfcf0e8b"
                }
            ],
            "title": "rxrpc: Fix data-race warning and potential load/store tearing",
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}