{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-56637", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T15:00:39.839Z", "datePublished": "2024-12-27T15:02:39.876Z", "dateUpdated": "2025-05-04T10:00:42.586Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T10:00:42.586Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: Hold module reference while requesting a module\n\nUser space may unload ip_set.ko while it is itself requesting a set type\nbackend module, leading to a kernel crash. The race condition may be\nprovoked by inserting an mdelay() right after the nfnl_unlock() call."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/ipset/ip_set_core.c"], "versions": [{"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "e5e2d3024753fdaca818b822e3827614bacbdccf", "status": "affected", "versionType": "git"}, {"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "6099b5d3e37145484fac4b8b4070c3f1abfb3519", "status": "affected", "versionType": "git"}, {"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "0e67805e805c1f3edd6f43adbe08ea14b552694b", "status": "affected", "versionType": "git"}, {"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "5bae60a933ba5d16eed55c6b279be51bcbbc79b0", "status": "affected", "versionType": "git"}, {"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "90bf312a6b6b3d6012137f6776a4052ee85e0340", "status": "affected", "versionType": "git"}, {"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "ba5e070f36682d07ca7ad2a953e6c9d96be19dca", "status": "affected", "versionType": "git"}, {"version": "a7b4f989a629493bb4ec4a354def784d440b32c4", "lessThan": "456f010bfaefde84d3390c755eedb1b0a5857c3c", "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/netfilter/ipset/ip_set_core.c"], "versions": [{"version": "2.6.39", "status": "affected"}, {"version": "0", "lessThan": "2.6.39", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.287", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.231", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.174", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.66", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.5", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "2.6.39", "versionEndExcluding": "5.4.287"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "5.10.231"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "5.15.174"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.1.120"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.6.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.12.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e5e2d3024753fdaca818b822e3827614bacbdccf"}, {"url": "https://git.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519"}, {"url": "https://git.kernel.org/stable/c/0e67805e805c1f3edd6f43adbe08ea14b552694b"}, {"url": "https://git.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0"}, {"url": "https://git.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340"}, {"url": "https://git.kernel.org/stable/c/ba5e070f36682d07ca7ad2a953e6c9d96be19dca"}, {"url": "https://git.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3c"}], "title": "netfilter: ipset: Hold module reference while requesting a module", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: Hold module reference while requesting a module\n\nUser space may unload ip_set.ko while it is itself requesting a set type\nbackend module, leading to a kernel crash. The race condition may be\nprovoked by inserting an mdelay() right after the nfnl_unlock() call."}], "id": "CVE-2024-56637", "lastModified": "2024-12-27T15:15:23.430", "metrics": {}, "published": "2024-12-27T15:15:23.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e67805e805c1f3edd6f43adbe08ea14b552694b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/456f010bfaefde84d3390c755eedb1b0a5857c3c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5bae60a933ba5d16eed55c6b279be51bcbbc79b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6099b5d3e37145484fac4b8b4070c3f1abfb3519"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/90bf312a6b6b3d6012137f6776a4052ee85e0340"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ba5e070f36682d07ca7ad2a953e6c9d96be19dca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e5e2d3024753fdaca818b822e3827614bacbdccf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: netfilter: ipset: Hold module reference while requesting a module", "id": "2334550", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334550"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: ipset: Hold module reference while requesting a module\nUser space may unload ip_set.ko while it is itself requesting a set type\nbackend module, leading to a kernel crash. The race condition may be\nprovoked by inserting an mdelay() right after the nfnl_unlock() call."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, prevent module ip_set from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically."}, "name": "CVE-2024-56637", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-12-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56637\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56637\nhttps://lore.kernel.org/linux-cve-announce/2024122735-CVE-2024-56637-23bb@gregkh/T"], "statement": "For triggering the bug need to unload ip_set.ko module and only privileged user could do this. The security impact is limited.", "threat_severity": "Moderate"}