{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50843", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:07.133Z", "datePublished": "2025-12-30T12:11:01.130Z", "dateUpdated": "2025-12-30T12:11:01.130Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:11:01.130Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm clone: Fix UAF in clone_dtr()\n\nDm_clone also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in clone_dtr()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/dm-clone-target.c"], "versions": [{"version": "7431b7835f554f8608b415a02cf3c3f086309e02", "lessThan": "520b56cfd9faee7683f081c3a38f11a81b13a68e", "status": "affected", "versionType": "git"}, {"version": "7431b7835f554f8608b415a02cf3c3f086309e02", "lessThan": "342cfd8426dff4228e6c714bcb9fc8295a2748dd", "status": "affected", "versionType": "git"}, {"version": "7431b7835f554f8608b415a02cf3c3f086309e02", "lessThan": "856edd0e92f3fe89606b704c86a93daedddfe6ec", "status": "affected", "versionType": "git"}, {"version": "7431b7835f554f8608b415a02cf3c3f086309e02", "lessThan": "b1ddb666073bb5f36390aaabaa1a4d48d78c52ed", "status": "affected", "versionType": "git"}, {"version": "7431b7835f554f8608b415a02cf3c3f086309e02", "lessThan": "9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff", "status": "affected", "versionType": "git"}, {"version": "7431b7835f554f8608b415a02cf3c3f086309e02", "lessThan": "e4b5957c6f749a501c464f92792f1c8e26b61a94", "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/md/dm-clone-target.c"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.87", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.18", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.4", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.4", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.15.87"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.0.18"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e"}, {"url": "https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd"}, {"url": "https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec"}, {"url": "https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed"}, {"url": "https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff"}, {"url": "https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94"}], "title": "dm clone: Fix UAF in clone_dtr()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm clone: Fix UAF in clone_dtr()\n\nDm_clone also has the same UAF problem when dm_resume()\nand dm_destroy() are concurrent.\n\nTherefore, cancelling timer again in clone_dtr()."}], "id": "CVE-2022-50843", "lastModified": "2025-12-31T20:43:05.160", "metrics": {}, "published": "2025-12-30T13:15:58.903", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/342cfd8426dff4228e6c714bcb9fc8295a2748dd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/520b56cfd9faee7683f081c3a38f11a81b13a68e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/856edd0e92f3fe89606b704c86a93daedddfe6ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b1ddb666073bb5f36390aaabaa1a4d48d78c52ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e4b5957c6f749a501c464f92792f1c8e26b61a94"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: dm clone: Fix UAF in clone_dtr()", "id": "2426213", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426213"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50843", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50843\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50843\nhttps://lore.kernel.org/linux-cve-announce/2025123020-CVE-2022-50843-ae87@gregkh/T"], "threat_severity": "Low"}

{}