{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T15:33:34.420","vulnerabilities":[{"cve":{"id":"CVE-2023-53566","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-04T16:15:52.103","lastModified":"2026-03-21T00:42:57.753","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_set_rbtree: fix null deref on element insertion\n\nThere is no guarantee that rb_prev() will not return NULL in nft_rbtree_gc_elem():\n\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]\n nft_add_set_elem+0x14b0/0x2990\n  nf_tables_newsetelem+0x528/0xb30\n\nFurthermore, there is a possible use-after-free while iterating,\n'node' can be free'd so we need to cache the next value to use."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.166","versionEndExcluding":"5.10.181","matchCriteriaId":"070E8660-956A-4689-B9A8-D695F0E7F645"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.91","versionEndExcluding":"5.15.113","matchCriteriaId":"A3CF9954-4D8B-4BDF-BAB4-746E7C54C492"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.9","versionEndExcluding":"6.1.30","matchCriteriaId":"7D56A580-DBF9-4DB5-B944-C518D206E060"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.1","versionEndExcluding":"6.3.4","matchCriteriaId":"CF21E12D-BE44-4B69-8FF7-165E50EAF102"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.2:-:*:*:*:*:*:*","matchCriteriaId":"3ADCCCEE-143A-4B48-9B2A-0CB97BD385DE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*","matchCriteriaId":"4AB8D555-648E-4F2F-98BD-3E7F45BD12A8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:*","matchCriteriaId":"C64BDD9D-C663-4E75-AE06-356EDC392B82"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.2:rc8:*:*:*:*:*:*","matchCriteriaId":"26544390-88E4-41CA-98BF-7BB1E9D4E243"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.4:rc1:*:*:*:*:*:*","matchCriteriaId":"38BC6744-7D25-4C02-9966-B224CD071D30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.4:rc2:*:*:*:*:*:*","matchCriteriaId":"76061B41-CAE9-4467-BEDE-0FFC7956F2A1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3fa13203b6d90cc3a33af47b058739f92ab82eef","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/61ae320a29b0540c16931816299eb86bf2b66c08","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/899aa5638568abf5d69de7a7bb95e4615157375b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a337706c1fb35aac3f26b48aca80421bdbe1d33a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a836be60a3aabcedcd9c79f545d409ace1f20ba6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b76db53ee8802ee5683f8cb401d7e2ec6f9b3d56","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ec5caa765f7f6960011c919c9aeb1467940421f6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}