cve-2024-0607
Vulnerability from cvelistv5
Published
2024-01-18 15:41
Modified
2024-09-27 12:53
Severity ?
EPSS score ?
Summary
Kernel: nf_tables: pointer math issue in nft_byteorder_eval()
References
Impacted products
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Version: 0 ≤ |
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The issue is in the nft_byteorder_eval() function, where the code iterates through a loop and writes to the `dst` array. On each iteration, 8 bytes are written, but `dst` is an array of u32, so each element only has space for 4 bytes. That means every iteration overwrites part of the previous element corrupting this array of u32. This flaw allows a local user to cause a denial of service or potentially break NetFilter functionality." } ], "metrics": [ { "other": { "content": { "namespace": "https://access.redhat.com/security/updates/classification/", "value": "Moderate" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "version": "3.1" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-229", "description": "Improper Handling of Values", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-09-27T12:53:00.268Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "vdb-entry", "x_refsource_REDHAT" ], "url": "https://access.redhat.com/security/cve/CVE-2024-0607" }, { "name": "RHBZ#2258635", "tags": [ "issue-tracking", "x_refsource_REDHAT" ], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258635" }, { "url": "https://github.com/torvalds/linux/commit/c301f0981fdd3fd1ffac6836b423c4d7a8e0eb63" } ], "timeline": [ { "lang": "en", "time": "2024-01-16T00:00:00+00:00", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2024-01-16T00:00:00+00:00", "value": "Made public." } ], "title": "Kernel: nf_tables: pointer math issue in nft_byteorder_eval()", "workarounds": [ { "lang": "en", "value": "To mitigate this issue, it is possible to prevent the affected code from being loaded by blacklisting the kernel netfilter module. \n\nFor instructions relating to how to blacklist a kernel module refer to: https://access.redhat.com/solutions/41278" } ], "x_redhatCweChain": "CWE-229: Improper Handling of Values" } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2024-0607", "datePublished": "2024-01-18T15:41:14.425Z", "dateReserved": "2024-01-16T16:45:59.397Z", "dateUpdated": "2024-09-27T12:53:00.268Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-0607\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2024-01-18T16:15:08.690\",\"lastModified\":\"2024-11-21T08:46:59.383\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A flaw was found in the Netfilter subsystem in the Linux kernel. 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Sightings
Author | Source | Type | Date |
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.