{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49957", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.382Z", "datePublished": "2025-06-18T11:00:19.238Z", "dateUpdated": "2025-06-18T11:00:19.238Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:00:19.238Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkcm: fix strp_init() order and cleanup\n\nstrp_init() is called just a few lines above this csk->sk_user_data\ncheck, it also initializes strp->work etc., therefore, it is\nunnecessary to call strp_done() to cancel the freshly initialized\nwork.\n\nAnd if sk_user_data is already used by KCM, psock->strp should not be\ntouched, particularly strp->work state, so we need to move strp_init()\nafter the csk->sk_user_data check.\n\nThis also makes a lockdep warning reported by syzbot go away."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/kcm/kcmsock.c"], "versions": [{"version": "44890e9ff771ef11777b2d1ebf8589255eb12502", "lessThan": "473f394953216614087f4179e55cdf0cf616a13b", "status": "affected", "versionType": "git"}, {"version": "e5571240236c5652f3e079b1d5866716a7ad819c", "lessThan": "a8a0c321319ad64a5427d6172cd9c23b4d6ca1e8", "status": "affected", "versionType": "git"}, {"version": "e5571240236c5652f3e079b1d5866716a7ad819c", "lessThan": "0946ff31d1a8778787bf6708beb20f38715267cc", "status": "affected", "versionType": "git"}, {"version": "e5571240236c5652f3e079b1d5866716a7ad819c", "lessThan": "1b6666964ca1de93a7bf06e122bcf3616dbd33a9", "status": "affected", "versionType": "git"}, {"version": "e5571240236c5652f3e079b1d5866716a7ad819c", "lessThan": "55fb8c3baa8071c5d533a9ad48624e44e2a04ef5", "status": "affected", "versionType": "git"}, {"version": "e5571240236c5652f3e079b1d5866716a7ad819c", "lessThan": "f865976baa85915c7672f351b74d5974b93215f6", "status": "affected", "versionType": "git"}, {"version": "e5571240236c5652f3e079b1d5866716a7ad819c", "lessThan": "8fc29ff3910f3af08a7c40a75d436b5720efe2bf", "status": "affected", "versionType": "git"}, {"version": "085cbbda4b4cc7dd2ba63806346881c2c2e10107", "status": "affected", "versionType": "git"}, {"version": "383250363daf01eb7aa3728c09ef8a4f6d8a3252", "status": "affected", "versionType": "git"}, {"version": "19042316b9e12c93bf334a04d4dd7a4e846c7311", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/kcm/kcmsock.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.293", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.258", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.213", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.142", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.66", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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:*:*:*:*:*:*:*:*", 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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkcm: fix strp_init() order and cleanup\n\nstrp_init() is called just a few lines above this csk->sk_user_data\ncheck, it also initializes strp->work etc., therefore, it is\nunnecessary to call strp_done() to cancel the freshly initialized\nwork.\n\nAnd if sk_user_data is already used by KCM, psock->strp should not be\ntouched, particularly strp->work state, so we need to move strp_init()\nafter the csk->sk_user_data check.\n\nThis also makes a lockdep warning reported by syzbot go away."}], "id": "CVE-2022-49957", "lastModified": "2025-06-18T13:46:52.973", "metrics": {}, "published": "2025-06-18T11:15:22.897", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0946ff31d1a8778787bf6708beb20f38715267cc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b6666964ca1de93a7bf06e122bcf3616dbd33a9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/473f394953216614087f4179e55cdf0cf616a13b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/55fb8c3baa8071c5d533a9ad48624e44e2a04ef5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8fc29ff3910f3af08a7c40a75d436b5720efe2bf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a8a0c321319ad64a5427d6172cd9c23b4d6ca1e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f865976baa85915c7672f351b74d5974b93215f6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: kcm: fix strp_init() order and cleanup", "id": "2373571", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373571"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nkcm: fix strp_init() order and cleanup\nstrp_init() is called just a few lines above this csk->sk_user_data\ncheck, it also initializes strp->work etc., therefore, it is\nunnecessary to call strp_done() to cancel the freshly initialized\nwork.\nAnd if sk_user_data is already used by KCM, psock->strp should not be\ntouched, particularly strp->work state, so we need to move strp_init()\nafter the csk->sk_user_data check.\nThis also makes a lockdep warning reported by syzbot go away."], "name": "CVE-2022-49957", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49957\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49957\nhttps://lore.kernel.org/linux-cve-announce/2025061812-CVE-2022-49957-8ff2@gregkh/T"], "threat_severity": "Moderate"}