{"cve":"CVE-2024-26602","nvd":{"published":"2024-02-26T16:28:00.043","modified":"2026-06-17T07:17:52.250","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched/membarrier: reduce the ability to hammer on sys_membarrier\n\nOn some systems, sys_membarrier can be very expensive, causing overall\nslowdowns for everything.  So put a lock on the path in order to\nserialize the accesses to prevent the ability for this to be called at\ntoo high of a frequency and saturate the machine.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/2441a64070b85c14eecc3728cc87e883f953f265","https://git.kernel.org/stable/c/24ec7504a08a67247fbe798d1de995208a8c128a","https://git.kernel.org/stable/c/3cd139875e9a7688b3fc715264032620812a5fa3","https://git.kernel.org/stable/c/50fb4e17df319bb33be6f14e2a856950c1577dee","https://git.kernel.org/stable/c/944d5fe50f3f03daacfea16300e656a1691c4a23"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-26602","score":0.00318,"percentile":0.24839,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}