{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T11:56:38.085","vulnerabilities":[{"cve":{"id":"CVE-2023-53557","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-04T16:15:51.050","lastModified":"2026-03-21T00:59:31.447","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfprobe: Release rethook after the ftrace_ops is unregistered\n\nWhile running bpf selftests it's possible to get following fault:\n\n  general protection fault, probably for non-canonical address \\\n  0x6b6b6b6b6b6b6b6b: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC NOPTI\n  ...\n  Call Trace:\n   <TASK>\n   fprobe_handler+0xc1/0x270\n   ? __pfx_bpf_testmod_init+0x10/0x10\n   ? __pfx_bpf_testmod_init+0x10/0x10\n   ? bpf_fentry_test1+0x5/0x10\n   ? bpf_fentry_test1+0x5/0x10\n   ? bpf_testmod_init+0x22/0x80\n   ? do_one_initcall+0x63/0x2e0\n   ? rcu_is_watching+0xd/0x40\n   ? kmalloc_trace+0xaf/0xc0\n   ? do_init_module+0x60/0x250\n   ? __do_sys_finit_module+0xac/0x120\n   ? do_syscall_64+0x37/0x90\n   ? entry_SYSCALL_64_after_hwframe+0x72/0xdc\n   </TASK>\n\nIn unregister_fprobe function we can't release fp->rethook while it's\npossible there are some of its users still running on another cpu.\n\nMoving rethook_free call after fp->ops is unregistered with\nunregister_ftrace_function call."}],"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":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.40","matchCriteriaId":"38286689-0DC4-488B-9C9D-06EA4998CA6F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.4.5","matchCriteriaId":"923F6AEA-C2EF-4B08-B038-69A18F3D41F8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*","matchCriteriaId":"0B3E6E4D-E24E-4630-B00C-8C9901C597B0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/03d63255a5783243c110aec5e6ae2f1475c3be76","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5f81018753dfd4989e33ece1f0cb6b8aae498b82","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ce3ec57faff559ccae1e0150c1f077eb2df648a4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}