{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49803",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-05-01T14:05:17.225Z",
        "datePublished": "2025-05-01T14:09:30.971Z",
        "dateUpdated": "2026-07-04T11:50:21.645Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-04T11:50:21.645Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: Fix memory leak of nsim_dev->fa_cookie\n\nkmemleak reports this issue:\n\nunreferenced object 0xffff8881bac872d0 (size 8):\n  comm \"sh\", pid 58603, jiffies 4481524462 (age 68.065s)\n  hex dump (first 8 bytes):\n    04 00 00 00 de ad be ef                          ........\n  backtrace:\n    [<00000000c80b8577>] __kmalloc+0x49/0x150\n    [<000000005292b8c6>] nsim_dev_trap_fa_cookie_write+0xc1/0x210 [netdevsim]\n    [<0000000093d78e77>] full_proxy_write+0xf3/0x180\n    [<000000005a662c16>] vfs_write+0x1c5/0xaf0\n    [<000000007aabf84a>] ksys_write+0xed/0x1c0\n    [<000000005f1d2e47>] do_syscall_64+0x3b/0x90\n    [<000000006001c6ec>] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe issue occurs in the following scenarios:\n\nnsim_dev_trap_fa_cookie_write()\n  kmalloc() fa_cookie\n  nsim_dev->fa_cookie = fa_cookie\n..\nnsim_drv_remove()\n\nThe fa_cookie allocked in nsim_dev_trap_fa_cookie_write() is not freed. To\nfix, add kfree(nsim_dev->fa_cookie) to nsim_drv_remove()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/netdevsim/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "d3cbb907ae57fe5da314b51d949b617b538bdeae",
                            "lessThan": "7d79725a7073d86b9185f87718e22f3d65115801",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3cbb907ae57fe5da314b51d949b617b538bdeae",
                            "lessThan": "6d463ddd0107d4188229d996dcdd45c99bad8af7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3cbb907ae57fe5da314b51d949b617b538bdeae",
                            "lessThan": "207edad5717e0a5709ce8467f0eff41c607835c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3cbb907ae57fe5da314b51d949b617b538bdeae",
                            "lessThan": "064bc7312bd09a48798418663090be0c776183db",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/netdevsim/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.260",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.10",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.10.260"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.0.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.7",
                                    "versionEndExcluding": "6.1"
                                }
                            ]
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7d79725a7073d86b9185f87718e22f3d65115801"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6d463ddd0107d4188229d996dcdd45c99bad8af7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/207edad5717e0a5709ce8467f0eff41c607835c9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/064bc7312bd09a48798418663090be0c776183db"
                }
            ],
            "title": "netdevsim: Fix memory leak of nsim_dev->fa_cookie",
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                "engine": "bippy-1.2.0"
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}