{"id":"CVE-2018-20854","aliases":["BELL-CVE-2018-20854","EUVD-2018-13394","GHSA-364h-gppc-fj9q","UBUNTU-CVE-2018-20854"],"status":"published","title":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has...","description":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl-\u003ephys out-of-bounds read.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00391,"percentile":0.33467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2019-07-26T04:39:29Z","modified":"2026-06-17T01:53:36Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"https://github.com/torvalds/linux/commit/6acb47d1a318e5b3b7115354ebc4ea060c59d3a1","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6acb47d1a318e5b3b7115354ebc4ea060c59d3a1","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Vendor Advisory","report"]},{"url":"https://security.netapp.com/advisory/ntap-20190905-0002/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.f5.com/csp/article/K32450233","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.f5.com/csp/article/K32450233?utm_source=f5support\u0026amp%3Butm_medium=RSS","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20854"},{"url":"https://security.netapp.com/advisory/ntap-20190905-0002"},{"url":"https://github.com/advisories/GHSA-364h-gppc-fj9q"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-20854","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-20854","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20854","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-20854","description":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl-\u003ephys out-of-bounds read.","status":"published","published":"2019-07-26T04:39:29Z","modified":"2024-08-05T12:12:29.344Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13394","description":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl-\u003ephys out-of-bounds read.","status":"published","published":"2019-07-26T04:39:29Z","modified":"2024-08-05T12:12:29Z","updated_at":"2026-11-03T02:39:29.197639Z"}],"ghsa":[{"id":"GHSA-364h-gppc-fj9q","title":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has...","description":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl-\u003ephys out-of-bounds read.","status":"published","published":"2022-05-24T16:51:27Z","modified":"2024-04-04T01:23:04Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:55:57.831324Z"}],"nvd":[{"id":"CVE-2018-20854","description":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl-\u003ephys out-of-bounds read.","status":"published","published":"2019-07-26T05:15:10.36Z","modified":"2026-06-17T01:53:36.16Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"BELL-CVE-2018-20854","title":"CVE-2018-20854 does not affect BellSoft software","status":"withdrawn","published":"2019-07-26T05:15:00Z","modified":"2026-01-26T09:49:45.09825Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"UBUNTU-CVE-2018-20854","description":"An issue was discovered in the Linux kernel before 4.20. drivers/phy/mscc/phy-ocelot-serdes.c has an off-by-one error with a resultant ctrl-\u003ephys out-of-bounds read.","status":"withdrawn","published":"2019-07-26T05:15:00Z","modified":"2025-07-16T07:38:32.568659Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.91743Z"}]}}