{"api_version":"1","generated_at":"2026-07-09T01:39:53+00:00","cve":"CVE-2026-53055","urls":{"html":"https://cve.report/CVE-2026-53055","api":"https://cve.report/api/cve/CVE-2026-53055.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53055","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53055"},"summary":{"title":"crypto: hisilicon/sec2 - prevent req used-after-free for sec","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/sec2 - prevent req used-after-free for sec\n\nDuring packet transmission, if the system is under heavy load,\nthe hardware might complete processing the packet and free the\nrequest memory (req) before the transmission function finishes.\nIf the software subsequently accesses this req, a use-after-free\nerror will occur. The qp_ctx memory exists throughout the packet\nsending process, so replace the req with the qp_ctx.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:17","updated_at":"2026-06-28 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53055","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f0ae287c50455f7be0d8dd45a803d403c7aa4d2e b375c3c7209cc59e40e97998aa9bc768369cca0e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f0ae287c50455f7be0d8dd45a803d403c7aa4d2e ad73563f3a1edbfddf2724136c6a15826b354e18 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f0ae287c50455f7be0d8dd45a803d403c7aa4d2e 67b53a660e6bf0da2fa8d8872e897a14d8059eaf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53055","cve":"CVE-2026-53055","epss":"0.004350000","percentile":"0.348250000","score_date":"2026-06-30","updated_at":"2026-07-01 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the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/sec2 - prevent req used-after-free for sec\n\nDuring packet transmission, if the system is under heavy load,\nthe hardware might complete processing the packet and free the\nrequest memory (req) before the transmission function finishes.\nIf the software subsequently accesses this req, a use-after-free\nerror will occur. The qp_ctx memory exists throughout the packet\nsending process, so replace the req with the qp_ctx."}],"metrics":[{"cvssV3_1":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-28T06:38:47.302Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b375c3c7209cc59e40e97998aa9bc768369cca0e"},{"url":"https://git.kernel.org/stable/c/ad73563f3a1edbfddf2724136c6a15826b354e18"},{"url":"https://git.kernel.org/stable/c/67b53a660e6bf0da2fa8d8872e897a14d8059eaf"}],"title":"crypto: hisilicon/sec2 - prevent req used-after-free for sec","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53055","datePublished":"2026-06-24T16:30:00.876Z","dateReserved":"2026-06-09T07:44:35.381Z","dateUpdated":"2026-06-28T06:38:47.302Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:17","lastModifiedDate":"2026-06-28 08:16:31","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53055","Ordinal":"1","Title":"crypto: hisilicon/sec2 - prevent req used-after-free for sec","CVE":"CVE-2026-53055","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53055","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: hisilicon/sec2 - prevent req used-after-free for sec\n\nDuring packet transmission, if the system is under heavy load,\nthe hardware might complete processing the packet and free the\nrequest memory (req) before the transmission function finishes.\nIf the software subsequently accesses this req, a use-after-free\nerror will occur. The qp_ctx memory exists throughout the packet\nsending process, so replace the req with the qp_ctx.","Type":"Description","Title":"crypto: hisilicon/sec2 - prevent req used-after-free for sec"}]}}}